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P-35-7 / DAPP 7 Spacecraft:  OPS 3367B / AFP-43 Data Acquisition and Processing Program Chronologies: 1964 payload #7 ; 1964-002C ; 359th spacecraft. Type: Technology Sponsor: U.S. Air Force Launch: 19 January 1964 at 10h59 UTC, from Vandenberg Air Force Base's LC-75-1-2, by a Thor-Agena D (Thor 2A 384 / Agena D 2303). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-002C ; TRW Space Log ;

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Relay 2 Spacecraft:  Relay B (A-16) Chronologies: 1964 payload #8 ; 1964-003A ; 360th spacecraft. Type: Communications Sponsor: NASA Launch: 21 January 1964 at 21h15 UTC, from Cape Canaveral's LC-17B, by a Delta  DSV-3B (Thor Delta B 373 / Delta 23). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-003A ; TRW Space Log ;

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Echo 2 Spacecraft: Echo C (A-12) Chronologies: 1964 payload #9 ; 1964-004A ; 361st spacecraft. Type: Communications Sponsor: NASA Launch: 25 January 1964 at 13h59 UTC, from Vandenberg Air Force Base's LC-75-1-1, by a Thor-Agena B (Thor 397 / Agena B 6301 (TA2)). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-004A ; TRW Space Log ;

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Saturn SA-4 Spacecraft:  Chronologies: 1964 payload #10 ; 1964-005A ; 362nd spacecraft. Type: Technology Sponsor: NASA Launch: 29 January 1964 at 16h25 UTC, from Cape Canaveral's LC-37B, by a Saturn I (SA-5). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-005A ; TRW Space Log ;

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Elektron 1 Spacecraft:  2D No. 1 Chronologies: 1964 payload #11 ; 1964-006A ; 363rd spacecraft. Type: Earth upper atmosphere studies Sponsor: Soviet Union Launch: 30 January 1964 at 9h45 UTC, from Baykonur Cosmodrome, by an A-1/"Vostok" (8A92). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-006A ; TRW Space Log ;

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Elektron 2 Spacecraft:  2D No. 2 Chronologies: 1964 payload #12 ; 1964-006B ; 364th spacecraft. Type: Earth upper atmosphere studies Sponsor: Soviet Union Launch: 30 January 1964 at 9h45 UTC, from Baykonur Cosmodrome, by an A-1/"Vostok" (8A92). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-006B ; TRW Space Log ;

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Ranger 6 Spacecraft:  RA-6 Chronologies: 1964 payload #13 ; 1964-007A ; 365th spacecraft. Type: Lunar probe Sponsor: NASA Launch: 30 January 1964 at 15h49 UTC, from Cape Canaveral's LC-12, by an Atlas-Agena B (Atlas LV-3A 199D / Agena B 6008). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-007A ; TRW Space Log ;

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Discoverer 72 / CORONA 1004 / KH-4A Spacecraft:  OPS 3444 Chronologies: 1964 payload #14 ; 1964-008A ; 366th spacecraft. Type: Reconnaissance Sponsor: U.S. National Reconnaissance Office Launch: 15 February 1964 at 21h38 UTC, from Vandenberg Air Force Base's LC-75-3-4, by a Thor-Agena D (Thor 2C 389 / Agena D 1174). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-008A ; TRW Space Log ; NRO's Corona : JPL's Corona :

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Zond Spacecraft:  3MV-1 No. 2 SA Chronologies: 1964 payload #15 ; 1964 1st loss ; 367th spacecraft. Type: Venus probe Sponsor: Soviet Union (Korolev's Design Bureau) Launch: 19 February 1964 at 5h47 UTC, from Baykonur Cosmodrome's LC-1, by an A-2-e/"Molniya" (8K78M). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ;  TRW Space Log ;

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Improve Samos 5 / KH-7 5 Spacecraft:  OPS 2423 ; AFP-206 SV 955 Chronologies: 1964 payload #16 ; 1964-009A ; 368th spacecraft. Type: Reconnaissance Sponsor: U.S. National Reconnaissance Office Launch: 25 February 1964 at 18h59 UTC, from Vandenberg Air Force Base (Point Arguello)'s LC2-3, by an Atlas-Agena D (Atlas LV-3A 285D / Agena D S01A 4803). Orbit: 173 km x 190 km x 95.7°  Decayed: 1st March 1964 (1 day) Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-009A ; TRW Space Log ; Jonathan McDowell's USAF imaging programs' Satellite Summary: KH-7 (Program 206) ;

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Kosmos 25 Spacecraft:  DS-P1 No. 4 Chronologies: 1964 payload #17 ; 1964-010A ; 369th spacecraft. Type: Antimissile technologies Sponsor: Soviet Union's Defense ministry Launch: 27 February 1964 at 13h26 UTC, from Kapustin Yar Cosmodrome's Mayak-2, by a Kosmos B-1 (63S1). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-010A ; TRW Space Log ;

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Ferret 5 Spacecraft:  OPS 3722 Chronologies: 1964 payload #18 ; 1964-011A ; 370th spacecraft. Type: Electronic intelligence Sponsor: U.S. Air Force  Launch: 28 February 1964 at 3h20 UTC, from Vandenberg Air Force Base's LC-75-3-5, by a Thor-Agena D (Thor 2C 402 / Agena D 2316). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-011A ; TRW Space Log ;

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Improve Samos 6 / KH-7 6 Spacecraft:  OPS 3435 ; AFP-206 SV 956 Chronologies: 1964 payload #19 ; 1964-012A ; 371st spacecraft. Type: Reconnaissance Sponsor: U.S. National Reconnaissance Office Launch: 11 March 1964 at 20h14 UTC, from Point Arguello's LC2-3, by an Atlas-Agena D (Atlas LV-3A 296D / Agena D S01A  4804). Orbit: 163 km x 203 km x 95.7°  Decayed: 16 March 1964 (4.3 days) Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-012A ; TRW Space Log ; Jonathan McDowell's USAF imaging programs' Satellite Summary: KH-7 (Program 206) ;

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Kosmos 26 Spacecraft:  DS-MG No. 1 Chronologies: 1964 payload #20 ; 1964-013A ; 372nd spacecraft. Type: Earth upper atmosphere studies (civil) Sponsor: Soviet Union's Defense ministry Launch: 18 March 1964 at 15h07 UTC, from Kapustin Yar Cosmodrome's Mayak-2, by a Kosmos B-1 (63S1). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-013A ; TRW Space Log ;

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Beacon Explorer A Spacecraft:  BE-A Chronologies: 1964 payload #21 ; 1964 2nd loss ; 373rd spacecraft. Type: Earth upper atmosphere studies Sponsor: NASA Launch: 19 March 1964 at 11h14 UTC, from Cape Canaveral's LC-17A, by a Delta DSV-3B (Thor Delta B 391 / Delta 24). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's EXP-66A ; TRW Space Log ;

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Luna Spacecraft:  E-6 No. 4 SA Chronologies: 1964 payload #22 ; 1964 3rd loss  ; 374th spacecraft. Type: Lunar probe Sponsor: Soviet Union (Korolev's Design Bureau) Launch: 21 March 1964 at 8h16 UTC, from Baykonur Cosmodrome's LC-1, by an A-2-e/"Molniya" (8K78M T15000-20). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ;  TRW Space Log ;

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Discoverer 73 / CORONA 1003 / KH-4A Spacecraft:  OPS 3467  Chronologies: 1964 payload #23 ; 1964 4th loss ; 375th spacecraft. Type: Reconnaissance Sponsor: U.S. National Reconnaissance Office Launch: 24 March 1964 at 22h22 UTC, from Vandenberg Air Force Base's LC-1-1, by a Thor-Agena D (Thor 2C 396 / Agena D 1175). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's NNN6401 ; TRW Space Log ; NRO's Corona : JPL's Corona :

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ORBIS 1 Spacecraft:  Chronologies: 1964 payload #24 ; 1964 5th loss ; 376th spacecraft. Type: Technology? Sponsor: U.S. Air Force? Launch: 24 March 1964 at 22h22 UTC, from Vandenberg Air Force Base's LC-1-1, by a Thor-Agena D (Thor 2C 396 / Agena D 1175). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ORBIS1 ; TRW Space Log ;

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Kosmos 27 Spacecraft: 3MV-1 No. 3 SA Chronologies: 1964 payload #25 ; 1964-014A ; 377th spacecraft. Type: Venus probe Sponsor: Soviet Union (Korolev's Design Bureau) Launch: 27 March 1964 at 3h24 UTC, from Baykonur Cosmodrome's LC-1, by an A-2-e/"Molniya" (8K78M T15000-22). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-014A ; TRW Space Log ;

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Ariel 2 Spacecraft: UK-C Chronologies: 1964 payload #26 ; 1964-015A ; 378th spacecraft. Type: Astronomy Sponsor: United Kingdom Launch: 27 March 1964 at 17h25 UTC, from Wallops Island's LA-3, by a Scout (X-3 S127R). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-015A ; TRW Space Log ;

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Zond 1 Spacecraft:  3MV-1 No. 4 SA Chronologies: 1964 payload #27 ; 1964-016A ; 379th spacecraft. Type: Venus probe Sponsor: Soviet Union (Korolev's Design Bureau) Launch: 2 April 1964 at 2h52 UTC, from Baykonur Cosmodrome, by an A-2-e/"Molniya" (8K78M T15000-23). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-016A ; TRW Space Log ;

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Kosmos 28 Spacecraft:  Zenit-2 No. 16 Chronologies: 1964 payload #28 ; 1964-017A ; 380th spacecraft. Type: Reconnaissance Sponsor: Soviet Union's Defense ministry Launch: 4 April 1964 at 9h36 UTC, from Baykonur Cosmodrome's LC-31, by an A-1/"Vostok" (8A92). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-017A ; TRW Space Log ;

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Gemini 1 Spacecraft:  Gemini spacecraft 1 Chronologies: 1964 payload #29 ; 1964-018A ; 381st spacecraft. Type: Piloted spacecraft test Sponsor: NASA Launch: 8 April 1964 at 16h00 UTC, from Cape Canaveral's LC-19, by a Titan 2 (GLV GT-1). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-018A ; TRW Space Log ;

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Polyot 2 Spacecraft:  I-2B No. 2 Chronologies: 1964 payload #30 ; 1964-019A ; 382nd spacecraft. Type: Technology (ASAT) Sponsor: Soviet Union's Defense ministry Launch: 12 April 1964 at 9h21 UTC, from Baykonur Cosmodrome's, by a Polyot (11A59). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-019A ; TRW Space Log ;

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Luna Spacecraft:  ALS / E-6 No. 5 SA Chronologies: 1964 payload #31 ; 1964 6th loss ; 383rd spacecraft. Type: Lunar probe Sponsor: Soviet Union (Korolev's Design Bureau) Launch: 20 April 1964 at 8h08 UTC, from Baykonur Cosmodrome's LC-1, by an A-2-e/"Molniya" (8K78M T15000-21). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; TRW Space Log ;

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Transit 5BN3 Spacecraft:  Chronologies: 1964 payload #32 ; 1964 7th loss ; 384th spacecraft. Type: Navigation Sponsor: U.S. Navy Launch: 21 April 1964 at 18h50 UTC, from Vandenberg Air Force Base's LC-75-1-1, by a Thor-Able-Star (Thor Ablestar 379 AB014). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; TRW Space Log ;

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Transit 5E2 Spacecraft:  Transit VE-2 Chronologies: 1964 payload #33 ; 1964 8th loss ; 385th spacecraft. Type: Navigation Sponsor: U.S. Air Force Launch: 21 April 1964 at 18h50 UTC, from Vandenberg Air Force Base's LC-75-1-1, by a Thor-Able-Star (Thor Ablestar 379 AB014). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; TRW Space Log ;

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Improve Samos 7 / KH-7 7 Spacecraft:  OPS 3743 ;  AFP-206 SV 957  Chronologies: 1964 payload #34 ; 1964-020A ; 386th spacecraft. Type: Reconnaissance Sponsor: U.S. National Reconnaissance Office Launch: 23 April 1964 at 16h19 UTC, from Vendenberg Air Force Base (Point Arguello)'s LC-2-3, by an Atlas-Agena D (Atlas LV-3A 351D / Agena D S01A 4805). Orbit: 150 km x 336 km x 103.6° Decayed: 29 April 1964 (5.2 days) Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-020A ; TRW Space Log ; Jonathan McDowell's USAF imaging programs' Satellite Summary: KH-7 (Program 206) ;

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Kosmos 29 Spacecraft:  Zenit-2 No. 19 Chronologies: 1964 payload #35 ; 1964-021A ; 387th spacecraft. Type: Reconnaissance Sponsor: Soviet Union's Defense ministry Launch: 25 April 1964 at 10h19 UTC, from Baykonur Cosmodrome's LC-31, by an A-1/"Vostok" (8A92). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-021A ; TRW Space Log ;

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Discoverer 74 / CORONA 1005 / KH-4A Spacecraft:  OPS 2921 Chronologies: 1964 payload #36 ; 1964-022A ; 388th spacecraft. Type: Reconnaissance Sponsor: U.S. National Reconnaissance Office Launch: 27 April 1964 at 23h23 UTC, from Vandenberg Air Force Base's LC-75-3-4, by a Thor-Agena D (Thor 2C 395 / Agena D 1604). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-022A ; TRW Space Log ; NRO's Corona : JPL's Corona : Space Review 18 Feb 08 ;

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Kosmos 30 Spacecraft:  Zenit-4 Chronologies: 1964 payload #37 ; 1964-023A ; 389th spacecraft. Type: Reconnaissance Sponsor: Soviet Union's Defense ministry Launch: 18 May 1964 at 9h50 UTC, from Baykonur Cosmodrome, by an A-2/"Voskhod" (11A57). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-023A ; TRW Space Log ;

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Improve Samos 8 / KH-7 8 Spacecraft:  OPS 3592 ; AFP-206 SV 958 Chronologies: 1964 payload #38 ; 1964-024A ; 390th spacecraft. Type: Reconnaissance Sponsor: U.S. National Reconnaissance Office Launch: 19 May 1964 at 19h21 UTC, from Vendenberg Air Force Base (Point Arguello)'s LC-2-3, by an Atlas-Agena D (Atlas LV-3A 350D / Agena D S01A 4806)). Orbit: 141 km x 380 km x 101.1° Decayed: 22 May 1964 (2.9 days) Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-024A ; TRW Space Log ; Jonathan McDowell's USAF imaging programs' Satellite Summary: KH-7 (Program 206) ;

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Apollo SA-5 Spacecraft:  Apollo BP-13 Chronologies: 1964 payload #39 ; 1964-025A ; 391st spacecraft. Type: Piloted spacecraft test Sponsor: NASA Launch: 28 May 1964 at 1h07 UTC, from Cape Canaveral's LC-37B, by a Saturn I (SA-6). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-025A ; TRW Space Log ;

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Molniya-1 No 2 Spacecraft:  Chronologies: 1964 payload #40 ; 1964 9th loss ; 392nd spacecraft. Type: Communications Sponsor: Soviet Union Launch: 4 June 1964, from Baykonur Cosmodrome's LC-1, by an A-2-e/"Molniya" (8K78 R103-34). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; TRW Space Log ;

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Transit 5C1 Spacecraft:  Transit VC Chronologies: 1964 payload #41 ; 1964-026A ; 393rd spacecraft. Type: Navigation Sponsor: U.S Navy Source: A. Parsch Launch: 4 June 1964 at 3h50 UTC, from Vandenberg Air Force Base's LC-D, by a Scout (X-4 S125R). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-026A ; TRW Space Log ;

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Discoverer 75 / CORONA 1006 / KH-4A Spacecraft:  OPS 3483 Chronologies: 1964 payload #52 ; 1964-027A ; 394th spacecraft. Type: Reconnaissance Sponsor: U.S. National Reconnaissance Office Launch: 4 June 1964 at 22h59 UTC, from Vandenberg Air Force Base's LC-1-1, by a Thor-Agena D (Thor 2C 403 / Agena D 1176). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-027A ; TRW Space Log ; NRO's Corona : JPL's Corona :

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Kosmos 31 Spacecraft:  DS-MT No. 2 Chronologies: 1964 payload #43 ; 1964-028A ; 395th spacecraft. Type: Earth/space studies (civil) Spnsor: Soviet Union Launch: 6 June 1964 at 6h00 UTC, from Kapustin Yar Cosmodrome's Mayak-2, by a Kosmos B-1 (63S1). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-028A ; TRW Space Log ;

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Kosmos 32 Spacecraft:  Zenit-2 No. 18 Chronologies: 1964 payload #44 ; 1964-029A ; 396th spacecraft. Type: Reconnaisance Sponsor: Soviet Union's Defense ministry Launch: 10 June 1964 at 10h48 UTC, from Baykonur Cosmodrome's LC-31, by an A-1/"Vostok" (8A92). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-029A ; TRW Space Log ;

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Discoverer 76 / CORONA 9063A / KH-5 Spacecraft:  OPS 3236 Chronologies: 1964 payload #45 ; 1964-030A ; 397th spacecraft. Type: Reconnaissance Sponsor: U.S. National Reconnaissance Office Launch: 13 June 1964 at 15h47 UTC, from Vandenberg Air Force Base's, by a Thor-Agena D (Thor 2C 408 / Agena D 1606). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-030A ; TRW Space Log ; NRO's Corona : JPL's Corona :

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Starflash 1A Spacecraft:  Chronologies: 1964 payload #46 ; 1964-030A ; 398th spacecraft. Type: Technology? Sponsor: U.S. Air Force Launch: 13 June 1964 at 15h47 UTC, from Vandenberg Air Force Base's, by a Thor-Agena D (Thor 2C 408 / Agena D 1606). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-030A ; TRW Space Log ;

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P-35-8 / DAPP 8 Spacecraft:  OPS 4467A ; AFP-43 Data Acquisition and Processing Program Chronologies: 1964 payload #47 ; 1964-031A ; 399th spacecraft. Type: Technology Sponsor: U.S. Air Force Launch: 18 June 1964 at 4h56 UTC, from Vandenberg Air Force Base's LC-75-3-4, by a Thor-Agena D (Thor 2A 407 / Agena D 2304). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-031A ; TRW Space Log ;

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P-35-9 / DAPP 9 Spacecraft:  OPS 4467B ; AFP-43 Data Acquisition and Processing Program Chronologies: 1964 payload #48 ; 1964-031C ; 400th spacecraft. Type: Technology Sponsor: U.S. Air Force Launch: 18 June 1964 at 4h56 UTC, from Vandenberg Air Force Base's LC-75-3-4, by a Thor-Agena D (Thor 2A 407 / Agena D 2304). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-031C ; TRW Space Log ;

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Discoverer 77 / CORONA 1007 / KH-4A Spacecraft:  OPS 3754 ;  Chronologies: 1964 payload #49 ; 1964-032A ; 401st spacecraft. Type: Reconnaissance Sponsor: U.S. National Reconnaissance Office Launch: 19 June 1964 at 23h18 UTC, from Vandenberg Air Force Base's LC-75-1-1, by a Thor-Agena D (Thor 2C 410 / Agena D 1609). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-032A ; TRW Space Log ; NRO's Corona : JPL's Corona :

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Kosmos 33 Spacecraft:  Zenit-2 No. 20 Chronologies: 1964 payload #50 ; 1964-033A ; 402nd spacecraft. Type: Reconnaissance Sponsor: Soviet Union's Defense ministry Launch: 23 June 1964 at 10h19 UTC, from Baykonur Cosmodrome's LC-31, by an A-1/"Vostok" (8A92). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-033A ; TRW Space Log ;

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ESRS / AFCRL B Spacecraft:  Environmental Sciences Research Satellite Chronologies: 1964 payload #51 ; 1964 10th loss ; 403rd spacecraft. Type: Earth upper atmosphere studies Sponsor: U.S. Air Force Launch: 25 June 1964 at 1h40 UTC, from Vandenberg Air Force Base's LC-D, by a Scout (X-4 S128R). Orbit: Decayed: Mission:      Although details remain sketchy, it appears as if an experimental radar satellite program was started during the Kennedy administration. This program, known as Quill, produced three satellites: two flight models and a test model. One satellite was launched in 1964. It used a radar that was probably built by Raytheon to take images of the ground which were stored on magnetic tape. Quill used the same recovery system as the Corona reconnaissance satellite, returning the magnetic tape to Earth in a recoverable capsule that was caught in mid-air by an aircraft.      Apparently, the flight and the mission were successful, but the program was not continued. It is easy to speculate why. The satellite’s relatively low power and early technology undoubtedly limited its capabilities, particularly the size of objects it could spot. Quill could probably not spot anything smaller than a naval vessel. In addition, the data retrieval technique meant that information was not processed until long after it had been collected. The intelligence value was therefore probably too limited to justify further efforts. Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ENSAT ; TRW Space Log ; Space Review's 22 Jan 07 ;

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AC-3 / Atlas-Centaur 3 Spacecraft:  Centaur 1C Chronologies: 1964 payload #52 ; 1964 11th loss ; 404th spacecraft. Type: Technology Sponsor: NASA Launch: 30 June 1964 at 14h04 UTC, from Cape Canaveral's LC-36A, by an Atlas-Centaur (Atlas LV-3C AC-3 / Centaur D 135D). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ATCEN3 ; TRW Space Log ;

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Kosmos 34 Spacecraft:  Zenit-4 Chronologies: 1964 payload #53 ; 1964-034A ; 405th spacecraft. Type: Reconnaissance Sponsor: Soviet Union's Defense ministry Launch: 1st July 1964 at 11h16 UTC, from Baykonur Cosmodrome, by an A-2/"Voskhod" (11A57). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-034A ; TRW Space Log ;

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Ferret 6 Spacecraft:  OPS 3395 Chronologies: 1964 payload #54 ; 1964-035A ; 406th spacecraft. Type: Electronic intelligence Sponsor: U.S. Air Force Launch: 2 July 1964 at 23h59 UTC, from Vandenberg Air Force Base's LC-75-3-5, by a Thor-Agena D (Thor 2C 409 / Agena D 2315). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-035A ; TRW Space Log ;

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Improve Samos 9 / KH-7 9 Spacecraft:  OPS 3684 ; AFP-206 SV 959 Chronologies: 1964 payload #55 ; 1964-036A ; 407th spacecraft. Type: Reconnaissance Sponsor: U.S. National Reconnaissance Office Launch: 6 July 1964 at 18h51 UTC, from Vandenberg Air Force Base (Point Arguello)'s LC-2-3, by an Atlas-Agena D (Atlas LV-3A 352D / Agena D S01A 4807). Orbit: 121 km x 346 km x 92.9°  Decayed: 8 July 1964 (2.0 days) Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-036A ; TRW Space Log ; Jonathan McDowell's USAF imaging programs' Satellite Summary: KH-7 (Program 206) ;

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Hitchhiker 5 Spacecraft:  OPS 4923 / [EHH A3] Chronologies: 1964 payload #56 ; 1964-036B ; 408th spacecraft. Type: Electronic intelligence Sponsor: U.S. Air Force Launch: 6 July 1964 at 18h51 UTC, from Vandenberg Air Force Base (Point Arguello)'s LC-2-3, by an Atlas-Agena D (Atlas LV-3A 352D / Agena D S01A 4807).. Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-036B ; TRW Space Log ;

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Elektron 3 Spacecraft:  2D No. 3 Chronologies: 1964 payload #57 ; 1964-038A ; 409th spacecraft. Type: Earth upper atmosphere and radiations studies Sponsor: Soviet Union Launch: 10 July 1964 at 21h51 UTC, from Baykonur Cosmodrome, by an A-1/"Vostok" (8A92). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-038A ; TRW Space Log ;

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Elektron 4 Spacecraft:  2D No. 4 Chronologies: 1964 payload #59 ; 1964-038B ; 410th spacecraft. Type: Earth upper atmosphere and radiations studies Sponsor: Soviet Union Launch: 10 July 1964 at 21h51 UTC, from Baykonur Cosmodrome, by an A-1/"Vostok" (8A92). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-038B ; TRW Space Log ;

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Discoverer 78 / CORONA 1008 / KH-4A Spacecraft:  OPS 3491 Chronologies: 1964 payload #59 ; 1964-037A ; 411th spacecraft. Type: Reconnaissance Sponsor: U.S. National Reconnaissance Office Launch: 10 July 1964 at 23h15 UTC, from Vandenberg Air Force Base's LC-1-1, by a Thor-Agena D (Thor 2C 404 / Agena D 1177). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-037A ; TRW Space Log ; NRO's Corona : JPL's Corona :

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Kosmos 35 Spacecraft:  Zenit-2 No. 21 Chronologies: 1964 payload #60 ; 1964-039A ; 412th spacecraft. Type: Reconnaissance Sponsor: Soviet Union's Defense ministry Launch: 15 July 1964 at 11h31 UTC, from Baykonur Cosmodroem's LC-31, by an A-1/"Vostok" (8A92). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-039A ; TRW Space Log ;

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Vela Hotel 3 / Vela 2A Spacecraft:  Chronologies: 1964 payload #61 ; 1964-040A ; 413th spacecraft. Type: Nuclear explosion monitoring Sponsor: U.S. Air Force Launch: 17 July 1964 at 8h23 UTC, from Cape Canaveral's LC-13, by an Atlas-Agena D (Atlas LV-3A 216D / Agena D 1802). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-040A ; TRW Space Log ;

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Vela Hotel 4 / Vela 2B Spacecraft:  Chronologies: 1964 payload #62 ; 1964-040B ; 414th spacecraft. Type: Nuclear explosion monitoring Sponsor: U.S. Air Force Launch: 17 July 1964 at 8h23 UTC, from Cape Canaveral's LC-13, by an Atlas-Agena D (Atlas LV-3A 216D / Agena D 1802). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-040B ; TRW Space Log ;

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ERS 13 / TRS 6 Spacecraft:  TRS 2(B) Chronologies: 1964 payload #63 ; 1964-040C ; 415th spacecraft. Type: Technology Sponsor: U.S. Air Force Launch: 17 July 1964 at 8h23 UTC, from Cape Canaveral's LC-13, by an Atlas-Agena D (Atlas LV-3A 216D / Agena D 1802). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-040C ; TRW Space Log ;

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Ranger 7 Spacecraft:  Chronologies: 1964 payload #64 ; 1964-041A ; 416th spacecraft. Type: Lunar probe Sponsor: NASA Launch: 28 July 1964 at 16h05 UTC, from Cape Canaveral's LC-12, by an Atlas-Agena B (Atlas LV-3A 250D / Agena B 6009). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-041A ; TRW Space Log ;

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Kosmos 36 Spacecraft:  DS-P1-Yu No. 1 Chronologies: 1964 payload #65 ; 1964-042A ; 417th spacecraft. Type: Military technologies Sponsor: Soviet Union's Defense ministry Launch: 30 July 1964 at 3h36 UTC, from Kapustin Yar Cosmodrome's Mayak-2, by a Kosmos B-1 (63S1). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-042A ; TRW Space Log ;

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Discoverer 79 / CORONA 1009 / KH-4A Spacecraft:  OPS 3042 Chronologies: 1964 payload #66 ; 1964-043A ; 418th spacecraft. Type: Reconnaissance Sponsor: U.S. National Reconnaissance Office Launch: 5 August 1964 at 23h15 UTC, from Vandenberg Air Force Base's LC-75-3-4, by a Thor-Agena D (Thor 2C 413 / Agena D 1605). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-043A ; TRW Space Log ; NRO's Corona : JPL's Corona :

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Kosmos 37 Spacecraft:  Zenit-2 No. 22 Chronologies: 1964 payload #67 ; 1964-044A ; 419th spacecraft. Type: Reconnaissance Sponsor: Soviet Union's Defense ministry Launch: 14 August 1964 at 9h36 UTC, from Baykonur Cosmodrome's LC-31, by an A-1/"Vostok" (8A92). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-044A ; TRW Space Log ;

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Improve Samos 10 / KH-7 10 Spacecraft:  OPS 3802 ; AFP-206 SV 960 Chronologies: 1964 payload #68 ; 1964-045A ; 420th spacecraft. Type: Reconnaissance Sponsor: U.S. National Reconnaissance Office Launch: 14 August 1964 at 22h00 UTC, from Vandenberg Air Force Base's PALC-2-4, by an Atlas-Agena D (Atlas 7101 / Agena D S01A 4808). Orbit: 149 km x 307 km x 95.5°  Decayed: 23 August 1964 (8.8 days) Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-045A ; TRW Space Log ; Jonathan McDowell's USAF imaging programs' Satellite Summary: KH-7 (Program 206) ;

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Hitchhiker 6 Spacecraft:  OPS 3316 / P-11 No. 4202 Chronologies: 1964 payload #69 ; 1964-045B ; 421st spacecraft. Type: Electronic intelligence Sponsor: U.S. Air Force Launch: 14 August 1964 at 22h00 UTC, from Vandenberg Air Force Base's PALC-2-4, by an Atlas-Agena D (Atlas 7101 / Agena D S01A 4808). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-045B ; TRW Space Log ;

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Kosmos 38 Spacecraft:  Strela-1 Chronologies: 1964 payload #70 ; 1964-046A ; 422nd spacecraft. Type: Communications (store-dump) Sponsor: Soviet Union's Defense ministry Launch: 18 August 1964 at 9h21 UTC, from Baykonur Cosmodrome's LC-41, by a Kosmos C-1 (65S3). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-046A ; TRW Space Log ;

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Kosmos 39 Spacecraft:  Strela-1 Chronologies: 1964 payload #71 ; 1964-046B ; 423rd spacecraft. Type: Communications (store-dump) Sponsor: Soviet Union's Defense ministry Launch: 18 August 1964 at 9h21 UTC, from Baykonur Cosmodrome's LC-41, by a Kosmos C-1 (65S3). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-046B ; TRW Space Log ;

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Kosmos 40 Spacecraft:  Strela-1 Chronologies: 1964 payload #72 ; 1964-046C ; 424th spacecraft. Type: Communications (store-dump) Sponsor: Soviet Union's Defense ministry Launch: 18 August 1964 at 9h21 UTC, from Baykonur Cosmodrome's LC-41, by a Kosmos C-1 (65S3). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-046C ; TRW Space Log ;

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Syncom 3 Spacecraft:  Syncom C Chronologies: 1964 payload #73 ; 1964-047A ; 425th spacecraft. Type: Communications Sponsor: NASA Launch: 19 August 1964 at 12h15 UTC, from Cape Canaveral's LC-17A, by a Delta DSV-3D (Thor Delta D 417 / Delta 25). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-047A ; TRW Space Log ;

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Discoverer 80 / CORONA 9064A / KH-5 Spacecraft:  OPS 2739 Chronologies: 1964 payload #74 ; 1964-048A ; 426th spacecraft. Type: Reconnaissance Sponsor: U.S. National Reconnaissance Office Launch: 21 August 1964 at 15h45 UTC, from Vandenberg Air Force Base's LC-75-1-2, by a Thor-Agena D (Thor 2C 412 / Agena D 1603). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-048A ; TRW Space Log ; NRO's Corona : JPL's Corona :

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Starflash 1B Spacecraft:  Chronologies: 1964 payload #75 ; 1964-048B ; 427th spacecraft. Type: Technology? Sponsor: U.S. Air Force Launch: 21 August 1964 at 15h45 UTC, from Vandenberg Air Force Base's LC-75-1-2, by a Thor-Agena D (Thor 2C 412 / Agena D 1603). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-048B ; TRW Space Log ;

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Kosmos 41 Spacecraft:  Molniya-1 Chronologies: 1964 payload #76 ; 1964-049A ; 428th spacecraft. Type: Communications Sponsor: Soviet Union Launch: 22 August 1964 at 7h12 UTC, from Baykonur Cosmodrome, by an A-2-e/"Molniya" (8K78 R103-36). Orbit: Decayed: 9 April/7 May 2004. Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-049A ; TRW Space Log ; Spacewarn No. 606 &  607 ;

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Kosmos 42 Spacecraft:  Strela-1 Chronologies: 1964 payload #77 ; 1964-050A ; 429th spacecraft. Type: Communications (store/dump) Sponsor: Soviet Union Defense ministry Launch: 22 August 1964 at 11h02 UTC, from Kapustin Yar Cosmodrome's Mayak-2, by a Kosmos B-1 (63S1). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-050A ; TRW Space Log ;

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Kosmos 43 Spacecraft:  Strela-1 Chronologies: 1964 payload #78 ; 1964-050B ; 430th spacecraft. Type: Communications (store/dump) Sponsor: Soviet Union's Defense ministry Launch: 22 August 1964 at 11h02 UTC, from Kapustin Yar Cosmodrome's Mayak-2, by a Kosmos B-1 (63S1). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-050B ; TRW Space Log ;

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Explorer 20 / IE-A / TOPSI Spacecraft:  NASA S-48  Chronologies: 1964 payload #79 ; 1964-051A ; 431st spacecraft. Type: Earth upper atmosphere studies Sponsor: NASA Launch: 25 August 1964 at 13h43 UTC, from Vandenberg Air Force Base's PALC-D, by a Scout (X-4 S134R). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-051A ; TRW Space Log ;

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Nimbus 1 Spacecraft:  Nimbus A Chronologies: 1964 payload #80 ; 1964-052A ; 432nd spacecraft. Type: Meteorology Sponsor: NASA Launch: 28 August 1964 at 7h56 UTC, from Vandenberg Air Force Base's LC-75-1-1, by a Thor-Agena B (Thor 399 / Agena B 6201 (TA3)). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-052A ; TRW Space Log ;

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Kosmos 44 Spacecraft:  Meteor No. 1 Chronologies: 1964 payload #81 ; 1964-053A ; 433rd spacecraft. Type: Meteorology Sponsor: Soviet Union Launch: 28 August 1964 at 16h19 UTC, from Baykonur Cosmodrome, by an A-1/"Vostok" (8A92). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-053A ; TRW Space Log ;

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Transtage Spacecraft:  Transtage 2 Chronologies: 1964 payload #82 ; 1964 12th loss ; 434th spacecraft. Type: Technology Sponsor: U.S. Air Force Launch: 1st September 1964, from Cape Canaveral Air Force Base's LC-20, by a Titan 3A (3A-2). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's TRANSG ; TRW Space Log ;

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OGO 1 / EOGO 1 Spacecraft: OGO A / Orbiting Geophysical Observatories Chronologies: 1964 payload #83 ; 1964-054A ; 435th spacecraft. Type: Geophysics Sponsor: NASA Launch: 5 September 1964 at 01h23 UTC, from Cape Canaveral's LC-12, by a Atlas-Agena B  (Atlas LV-3A 195D / Agena B 6501). Orbit: Decayed: 10 August 1980 Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-054A ; TRW Space Log; Spacewarn No. 550 ;

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Kosmos 45 Spacecraft:  Zenit-4 Chronologies: 1964 payload #84 ; 1964-055A ; 436th spacecraft. Type: Reconnaissance Sponsor: Soviet Union's Defense ministry Launch: 13 September 1964 at 9h50 UTC, from Baykonur Cosmodrome, by an A-2/"Voskhod" (11A57). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-055A ; TRW Space Log ;

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Discoverer 81 / CORONA 1010 / KH-4A Spacecraft:  OPS 3497  Chronologies: 1964 payload #85 ; 1964-056A ; 437th spacecraft. Type: Reconnaissance Sponsor: U.S. National Reconnaissance Office Launch: 14 September 1964 at 22h53 UTC, from Vandenberg Air Force Base's PALC-1-1, by a Thor-Agena D (Thor 2C 405 / Agena D 1178). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-056A ; TRW Space Log ; NRO's Corona : JPL's Corona :

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Apollo SA-7 Spacecraft:  Apollo BP-15 Chronologies: 1964 payload #86 ; 1964-057A ; 438th spacecraft. Type: Piloted spacecraft test Sponsor: NASA Launch: 18 September 1964 at 11h23 UTC, from Cape Canaveral LC-37B, by a Saturn I (SA-7). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-057A ; TRW Space Log ;

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Improve Samos 11 / KH-7 11 Spacecraft:  OPS 4262 ; AFP-206 SV 962 Chronologies: 1964 payload #87 ; 1964-058A ; 439th spacecraft. Type: Reconnaissance Sponsor: U.S. National Reconnaissance Office Launch: 23 September 1964 at 20h09 UTC, from Vandenberg Air Force Base's PALC-2-4, by an Atlas-Agena D (Atlas 7102 / Agena D). Orbit: 145 km x 303 km x 92.9° Decayed: 28 September 1964 (4.8 days) Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-058A ; TRW Space Log ; Jonathan McDowell's USAF imaging programs' Satellite Summary: KH-7 (Program 206) ;

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Kosmos 46 Spacecraft:  Zenit-2 No. 23 Chronologies: 1964 payload #88 ; 1964-059A ; 440th spacecraft. Type: Reconnaissance Sponsor: Soviet Union's Defense ministry Launch: 24 September 1964 at 12h00 UTC, from Baykonur Cosmodrome's LC-31, by an A-1/"Vostok" (8A92). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-059A ; TRW Space Log ;

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Explorer 21 / IMP 2 Spacecraft:  IMP B Chronologies: 1964 payload #89 ; 1964-060A ; 441st spacecraft. Type: Earth-space studies Sponsor: NASA Launch: 4 October 1964 at 3h45 UTC, from Cape Canaveral's LC-17A, by a Delta DSV-3C (Thor Delta C 392 / Delta 26). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-060A ; TRW Space Log ;

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Discoverer 82 / CORONA 1011 / KH-4A Spacecraft:  OPS 3333 Chronologies: 1964 payload #90 ; 1964-061A ; 442nd spacecraft. Type: Reconnaissance Sponsor: U.S. National Reconnaissance Office Launch: 5 October 1964 at 21h50 UTC, from Vandenberg Air Force Base's LC-75-3-4, by a Thor-Agena D (Thor 2C 421 / Agena D SS-01A 1170). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-061A ; TRW Space Log ; NRO's Corona : JPL's Corona :

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Kosmos 47 Spacecraft:  Voskhod 3KV No. 2 Chronologies: 1964 payload #91 ; 1964-062A ; 443rd spacecraft. Type: Piloted spacecraft test Sponsor: Soviet Union (Korolev's Design Bureau) Launch: 6 October 1964 at 7h12 UTC, from Baykonur Cosmodrome, by an A-2/"Voskhod" (11A57). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-062A ; TRW Space Log ;

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Transit O-1 Spacecraft:  Transit 5B-4 / NNS O-1 / NNS 30010 Chronologies: 1964 payload #92 ; 1964-063A ; 444th spacecraft. Type: Navigation Sponsor: U.S. Navy Source: A. Parsch Launch: 6 October 1964 at 17h04 UTC, from Vandenberg Air Force Base's LC-75-1-2, by a Thor-Able-Star (Thor Ablestar 423 AB016). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-063A ; TRW Space Log ;

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Calsphere 1 / Dragsphere 1 Spacecraft:  Chronologies: 1964 payload #93 ; 1964-063B ; 445th spacecraft. Type: Radar calibration Sponsor: U.S. Air Force & U.S. Navy Launch: 6 October 1964 at 17h04 UTC, from Vandenberg Air Force Base's LC-75-1-2, by a Thor-Able-Star (Thor Ablestar 423 AB016). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-063B ; TRW Space Log ;

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Calsphere 2 / Dragsphere 2 Spacecraft:  Chronologies: 1964 payload #94 ; 1964-063C ; 446th spacecraft. Type: Radar calibration Sponsor: U.S. Air Force & U.S. Navy Launch: 6 October 1964 at 17h04 UTC, from Vandenberg Air Force Base's LC-75-1-2, by a Thor-Able-Star (Thor Ablestar 423 AB016). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-063C ; TRW Space Log ;

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Improve Samos 12 / KH-7 12 Spacecraft:  OPS 4036 ; AFP-206 SV 961 Chronologies: 1964 payload #95 ; 1964 13th loss ; 447th spacecraft. Type: Reconnaissance Sponsor: U.S. National Reconnaissance Office Launch: 8 October 1964 at UTC, from Vandenberg Air Force Base'S PALC-2-4, by an Atlas-Agena D (Atlas SLV-3 7103 / Agena D). Orbit: n/a Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's NNN6402 ; TRW Space Log ; Jonathan McDowell's USAF imaging programs' Satellite Summary: KH-7 (Program 206) ;

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Explorer 22 / BE-B Spacecraft:  Beacon Explorer B Chronologies: 1964 payload #96 ; 1964-064A ; 448th spacecraft. Type: Earth upper atomphere studies Sponsor: NASA Launch: 10 October 1964 at 3h00 UTC, from Vandenberg Air Force Base's PALC-D, by a Scout (X-4 S123R). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-064A ; TRW Space Log ;

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Voskhod Spacecraft:  Voskhod 3KV No. 3 Chronologies: 1964 payload #97 ; 1964-065A ; 449th spacecraft. Type: Piloted spacecraft Sponsor: Soviet Union (Korolev's Design Bureau) Launch: 12 October 1964 at 7h31 UTC, from Baykonur Cosmodrome's LC-1, by an A-2/"Voskhod" (11A57). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-065A ; TRW Space Log ;

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Kosmos 48 Spacecraft:  Zenit-2 No. 24 Chronologies: 1964 payload #98 ; 1964-066A ; 450th spacecraft. Type: Reconnaissance Sponsor: U.S. Air Force Launch: 14 October 1964 at 9h50 UTC, from Baykonur Cosmodrome's LC-31, by an A-1/"Vostok" (8A92). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-066A ; TRW Space Log ;

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Discoverer 83 / CORONA 1012 / KH-4A Spacecraft:  OPS 3559 Chronologies: 1964 payload #99 ; 1964-067A ; 451st spacecraft. Type: Reconnaissance Sponsor: U.S. National Reconnaissance Office Launch: 17 October 1964 at 22h02 UTC, from Vandenberg Air Force Base's PALC1-1, by a Thor-Agena D (Thor 2C 418 / Agena D SS-01A 1179). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-067A ; TRW Space Log ; NRO's Corona : JPL's Corona :

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Kosmos Spacecraft:  Strela-1 Chronologies: 1964 payload #100 ; 1964 14th loss ; 452nd spacecraft. Type: Communications (store/dump) Sponsor: Soviet Union's Defense ministry Launch: 23 October 1964, from Baykonur Cosmodrome, by a Kosmos C-1 (65S3). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; TRW Space Log ;

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Kosmos Spacecraft:  Strela-1 Chronologies: 1964 payload #101 ; 1964 15th loss ; 453rd spacecraft. Type: Communications (store/dump) Sponsor: Soviet Union's Defense ministry Launch: 23 October 1964, from Baykonur Cosmodrome, by a Kosmos C-1 (65S3). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; TRW Space Log ;

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Kosmos Spacecraft:  Strela-1 Chronologies: 1964 payload #102 ; 1964 16th loss ; 454th spacecraft. Type: Communications (store/dump) Sponsor: Soviet Union's Defense ministry Launch: 23 October 1964, from Baykonur Cosmodrome, by a Kosmos C-1 (65S3). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; TRW Space Log ;

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Improve Samos 13 / KH-7 13 Spacecraft:  OPS 4384 ; AFP-206 SV 963 Chronologies: 1964 payload #103 ; 1964-068A ; 455th spacecraft. Type: Reconnaissance Sponsor: U.S. National Reconnaissance Office Launch: 23 October 1964 at 18h28 UTC, from Vandenberg Air Force Base's PALC-2-3, by an Atlas-Agena D (Atlas LV-3A 353D / Agena D). Orbit: 139 km x 271 km x 95.6°  Decayed: 28 October 1964 (5.1 days) Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-068A ; TRW Space Log ; Jonathan McDowell's USAF imaging programs' Satellite Summary: KH-7 (Program 206) ;

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Hitchicker 7 Spacecraft:  OPS 5063 / [EHH A4] Chronologies: 1964 payload #104 ; 1964-068B ; 456th spacecraft. Type: Electtronic intelligence Sponsor: U.S. Air Force Launch: 23 October 1964 at 18h28 UTC, from Vandenberg Air Force Base's PALC-2-3, by an Atlas-Agena D (Atlas LV-3A 353D / Agena D). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-068B ; TRW Space Log ;

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Kosmos 49 Spacecraft:  DS-MG No. 2 Chronologies: 1964 payload #105 ; 1964-069A ; 457th spacecraft. Type: Military technologies Sponsor: Soviet Union Launch: 24 October 1964 at 5h16 UTC, from Kapustin Cosmodrome's Yar Mayak-2, by a Kosmos  B-1 (63S1). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-069A ; TRW Space Log ;

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Kosmos 50 Spacecraft: Zenit-2 No. 25 Chronologies: 1964 payload #106 ; 1964-070A ; 458th spacecraft. Type: Reconnaissance Sponsor: Soviet Union's Defense ministry Launch: 28 October 1964 at 10h48 UTC, from Baykonur Cosmodrome's LC-31, by an A-1/"Vostok" (8A92). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-070A ; TRW Space Log ;

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Discoverer 84 / CORONA 1013 / KH-4A Spacecraft:  OPS 5434 Chronologies: 1964 payload #107 ; 1964-071A ; 459th spacecraft. Type: Reconnaissance Sponsor: U.S. National Reconnaissance Office Launch: 2 November 1964 at 21h30 UTC, from Vandenberg Air Force Base's LC-75-3-4, by a Thor-Agena D (Thor 2C 420 / Agena D SS-01A 1173). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-071A ; TRW Space Log ; NRO's Corona : JPL's Corona :

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Ferret 7 Spacecraft:  OPS 3062 Chronologies: 1964 payload #108 ; 1964-072A ; 460th spacecraft. Type: Electronic intelligence Sponsor: U.S. Air Force Launch: 4 November 1964 at 2h12 UTC, from Vandenberg Air Force Base's  LC-75-3-5, by a Thor-Agena D (Thor 2C 430 / Agena D SS-01A 2317). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-072A ; TRW Space Log ;

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Mariner 3 Spacecraft:  Mariner C-2, Chronologies: 1964 payload #109 ; 1964-073A ; 461st spacecraft. Type: Mars probe Sponsor: NASA Launch: 5 November 1964 at 19h22 UTC, from Cape Canaveral LC-13, by an Atlas-Agena D (Atlas LV-3A 289D / Agena D 6931). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-073A ; TRW Space Log ;

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Explorer 23 Spacecraft:  NASA S-55C Chronologies: 1964 payload #110 ; 1964-074A ; 462nd spacecraft. Type: Micrometeroids studies Sponsor: NASA Launch: 6 November 1964 at 12h02 UTC, from Wallops Island's LA-3, by a Scout (X-4 S133R). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-074A ; TRW Space Log ;

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Discoverer 85 / CORONA 1014 / KH-4A Spacecraft:  OPS 3360 Chronologies: 1964 payload #111 ; 1964-075A ; 463rd spacecraft. Type: Reconnaissance Sponsor: U.S. National Reconnaissance Office Launch: 18 November 1964 at 20h35 UTC, from Vandenberg Air Force Base's LC-75-1-1, by a Thor-Agena D (Thor 2C 416 / Agena D SS-01A 1180). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-075A ; TRW Space Log ; NRO's Corona : JPL's Corona :

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ORBIS Spacecraft:  Chronologies: 1964 payload #112 ; 1964-075B ; 464th spacecraft. Type: Technology? Sponsor: U.S. Air Force? Launch: 18 November 1964 at 20h35 UTC, from Vandenberg Air Force Base's LC-75-1-1, by a Thor-Agena D (Thor 2C 416 / Agena D SS-01A 1180). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-075B ; TRW Space Log ;

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Explorer 24 / AD-B Spacecraft:  Air Density Chronologies: 1964 payload #113 ; 1964-076A ; 465th spacecraft. Type: Earth upper atmospheric studies Sponsor: NASA Launch: 21 November 1964 at 17h09 UTC, from Vandenberg Air Force Base's PALC-D, by a Scout (X-4 S135R). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-076A ; TRW Space Log ;

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Explorer 25 / Injun 4 Spacecraft:  Chronologies: 1964 payload #114 ; 1964-076B ; 466th spacecraft. Type: Energetic particles studies Sponsor: NASA Launch: 21 November 1964 at 17h09 UTC, from Vandenberg Air Force Base's PALC-D, by a Scout (X-4 S135R). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-076B ; TRW Space Log ;

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Mariner 4 Spacecraft:  Mariner C-3 Chronologies: 1964 payload #115 ; 1964-077A ; 467th spacecraft. Type: Mars probe Sponsor: NASA Launch: 28 November 1964 at 14h22 UTC, from Cape Canaveral's LC-12, by a Atlas-Agena D (Atlas LV-3A 288D / Agena D  6932). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-077A ; TRW Space Log ;

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Zond 2 Spacecraft:  3MV-4A No. 2 Chronologies: 1964 payload #116 ; 1964-078A ; 468th spacecraft. Type: Mars probe Sponsor: Soviet Union (Korolev's Design Bureau) Launch: 30 November 1964 at 13h12 UTC, from Baykonur Cosmodrome's LC-1, by an A-2-e/"Molniya" (8K78). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-078A ; TRW Space Log ;

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Kosmos Spacecraft:  DS-2 No. 2 Chronologies: 1964 payload #117 ; 1964 17th loss ; 469th spacecraft. Type: Technology and Earth upper atmosphere studies Sponsor: Soviet Union's Defense ministry Launch: 1st December 1964, from Kapustin Yar Cosmodrome's LC-86/1, by a Kosmos B-1 (63S1). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; TRW Space Log ;

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Improve Samos 14 / KH-7 14 Spacecraft:  OPS 4439 ; AFP-206 SV 964 Chronologies: 1964 payload #118 ; 1964-079A ; 470th spacecraft. Type: Reconnaissance Sponsor: U.S. National Reconnaissance Office Launch: 4 December 1964 at 18h57 UTC, from Vandenberg Air Force Basse's  PALC2-4, by an Atlas-Agena D (Atlas 7102 / Agena D). Orbit: 158 km x 357 km x 97.0°  Decayed: 6 December 1964 (1.2 day) Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-079A ; TRW Space Log ; Jonathan McDowell's USAF imaging programs' Satellite Summary: KH-7 (Program 206) ;

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Kosmos 51 Spacecraft:  DS-MT No. 3 Chronologies: 1964 payload #119 ; 1964-080A ; 471st spacecraft. Type: Earth/space studies (civil) Sponsor: Soviet Union Launch: 10 December 1964 at 23h02 UTC, from Kapustin Yar Cosmodrome's LC-86/1, by a Kosmos B-1 (63S1). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-080A ; TRW Space Log ;

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Transtage 1 Spacecraft:  Transtage 2 Chronologies: 1964 payload #120 ; 1964-081A ; 472nd spacecraft. Type: Technology Sponsor: U.S. Air Force Launch: 10 December 1964, from Cape Canaveral Air Force Base's LC-20, by a Titan 3A (3A-1). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-081A ; TRW Space Log ;

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Surveyor SD-1 (AC-4) Spacecraft:  Centaur 4C Chronologies: 1964 payload #121 ; 1964-082A ; 473rd spacecraft. Type: Technology Sponsor: NASA Launch: 11 December 1964 at 14h25 UTC, from Cape Canaveral'S LC-36A, by an Atlas Centaur (Atlas LV-3C AC-4 / Centaur D 146D). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-082A ; TRW Space Log ;

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Transit 5E5 Spacecraft:  Transit VE-5 / APL SN-43 Chronologies: 1964 payload #122 ; 1964-083A ; 474th spacecraft. Type: Navigation Sponsor: U.S. Navy/U.S. Air Force Launch: 13 December 1964 at 0h08 UTC, from Vandenberg Air Force Base's LC-75-1-2, by a Thor-Able-Star (Thor Ablestar 427 AB017). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-083A ; TRW Space Log ;

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Transit O-2 / NNS O-2 Spacecraft:  Chronologies: 1964 payload #123 ; 1964-083B ; 475th spacecraft. Type: Navigation Sponsor: U.S. Navy/U.S Air Force Launch: 13 December 1964 at 0h08 UTC, from Vandenberg Air Force Base's LC-75-1-2, by a Thor-Able-Star (Thor Ablestar 427 AB017). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-083A ; TRW Space Log ;

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San Marco 1 Spacecraft:  Chronologies: 1964 payload #124 ; 1964-084A ; 476th spacecraft. Type: Earth upper atmosphere studies  Sponsor: Italy Launch: 15 December 1964 at 20h20 UTC, from Wallops Island's LA-3, by a Scout (X-4 S137R). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-084A ; TRW Space Log ;

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Discoverer 86 / CORONA 1015 / KH-4A Spacecraft:  OPS 3358 Chronologies: 1964 payload #125 ; 1964-085A ; 477th spacecraft. Type: Reconnaissance Sponsor: U.S. National Reconnaissance Office Launch: 19 December 1964 at 21h10 UTC, from Vandenberg Air Force Base's LC-75-3-4, by a Thor-Agena D (Thor 2C 424 / Agena D SS-01A 1607). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-085A ; TRW Space Log ; NRO's Corona : JPL's Corona :

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Explorer 26 / EPE-D Spacecraft:  Chronologies: 1964 payload #126 ; 1964-086A ; 478th spacecraft. Type: Particles and geomagnetic field studies Sponsor: NASA Launch: 21 December 1964 at 9h00 UTC, from Cape Canaveral's LC-17A, by a Delta DSV-3C (Thor Delta C 393 / Delta 27). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-086A ; TRW Space Log ;

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Ferret 11 Spacecraft:  OPS 3762 / FTV 2355 Chronologies: 1964 payload #127 ; 1964-087A ; 479th spacecraft. Type: Electronic intelligence Sponsor: U.S. Air Force Launch: 21 December 1964 at 19h08 UTC, from Vandenberg Air Force Base's LC-75-1-1, by a Thor-Agena D (Thor 2C  425 / Agena D SS-01A 2355). Orbit: Decayed: Mission: Source: Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's 1964-087A ; TRW Space Log ;