Lost Missions of the Space Age: 1964 | ||||
| Mercury A O-X-11 | Mercury Atlas 19 | 1 Jan 1964 | Study | 11th Mercury Atlas manned extended orbital |
| Apollo S1-3 L AS(U)-1 | Apollo Saturn 105 | 1 Jan 1964 | Proposed | 1st Apollo 3-stage Saturn C-1 unmanned CSM suborbital, launch abort test |
| Gemini T2 N O(C)-1 | Mercury MK II 6 | 1 Jan 1964 | Proposal | 1st Gemini Titan II chimpanzee orbital |
| Apollo S1 P S-LV2(N)-1 | Saturn-Apollo 5 | 29 Jan 1964 | Flown | 1st Saturn I Blk II suborbital |
| Dyna-Soar T1 S(U)-6 | Dyna-Soar 6 | 1 Feb 1964 | Canceled | 6th Dyna Soar Titan I unmanned suborbital |
| Dyna-Soar T1 S-1 | Dyna-Soar 3 | 1 Feb 1964 | Canceled | 1st Dyna Soar Titan I manned suborbital |
| Apollo S1-3 L A(U)-1 | Apollo Saturn 106 | 1 Feb 1964 | Proposed | 1st Apollo 3-stage Saturn C-1 unmanned CSM orbital |
| SAINT II O(U)-1 | SAINT II-1 | 1 Feb 1964 | Study | 1st SAINT II Titan II/Chariot unmanned satellite interceptor orbital |
| Apollo S1 L AS(B)-3 | Apollo Saturn 105 | 1 Feb 1964 | Canceled | 3rd Apollo Saturn C-1 Blk I boilerplate CSM suborbital |
| Dyna-Soar T1 S(U)-7 | Dyna-Soar 7 | 1 Mar 1964 | Canceled | 7th Dyna Soar Titan I unmanned suborbital |
| Mercury A O-X-12 | Mercury Atlas 20 | 1 Mar 1964 | Study | 12th Mercury Atlas manned extended orbital |
| ASSET ThD ASV S(S)-2 | ASSET 2 | 24 Mar 1964 | Flown | 2nd ASSET ASV Thor/Delta subscale suborbital |
| Dyna-Soar T1 S(U)-8 | Dyna-Soar 8 | 1 Apr 1964 | Canceled | 8th Dyna Soar Titan I unmanned suborbital |
| Apollo S1-3 L AS(U)-2 | Apollo Saturn 102 | 1 Apr 1964 | Canceled | 2nd Apollo 3-stage Saturn C-1 unmanned CSM suborbital |
| Dyna-Soar T1 S-2 | Dyna-Soar 4 | 1 Apr 1964 | Canceled | 2nd Dyna Soar Titan I manned suborbital |
| Apollo AA P S(S)-2 | Apollo Agena 2 | 1 Apr 1964 | Canceled | 2nd Apollo Atlas/Agena subscale CM suborbital lunar reentry simulation |
| Apollo S1-3 L A(B)-2 | Apollo Saturn 107 | 1 Apr 1964 | Proposed | 2nd Apollo 3-stage Saturn C-1 boilerplate CSM orbital |
| Gemini T2 N O(U)-1 | Gemini 1 | 8 Apr 1964 | Flown | 1st Gemini Titan II unmanned orbital |
| Apollo A P S(S)-1 | Fire 1 | 14 Apr 1964 | Flown | 1st Apollo Atlas subscale CM suborbital |
| Apollo AA P S(S)-4 | Apollo Agena 4 | 1 May 1964 | Canceled | 4th Apollo Atlas/Agena subscale CM suborbital lunar reentry simulation |
| Dyna-Soar T1 S(U)-3 | Dyna-Soar 3 | 1 May 1964 | Canceled | 3rd Dyna Soar Titan I unmanned suborbital |
| Mercury A O-X-13 | Mercury Atlas 21 | 1 May 1964 | Study | 13th Mercury Atlas manned extended orbital |
| Apollo S1-3 L A(U)-2 | Apollo Saturn 108 | 1 May 1964 | Proposed | 2nd Apollo 3-stage Saturn C-1 unmanned CSM orbital |
| SAINT II O(U)-2 | SAINT II-2 | 1 May 1964 | Study | 2nd SAINT II Titan II/Chariot unmanned satellite interceptor orbital |
| Gemini T2 N O(C)-2 | Mercury MK II 8 | 1 May 1964 | Proposal | 2nd Gemini Titan II chimpanzee orbital |
| Apollo S1 L A(U)-2 | Apollo Saturn 103 | 1 May 1964 | Canceled | 2nd Apollo Saturn C-1 Blk I unmanned CSM orbital |
| Apollo S1 L A(B)-1 | Apollo Saturn 101 | 28 May 1964 | Flown | 1st Apollo Saturn C-1 boilerplate CSM orbital |
| Apollo S1-3 L AS(B)-5 | Apollo Saturn 105 | 1 Jun 1964 | Proposed | 5th Apollo 3-stage Saturn C-1 boilerplate CSM suborbital |
| Dyna-Soar T1 S-3 | Dyna-Soar 5 | 1 Jun 1964 | Canceled | 3rd Dyna Soar Titan I manned suborbital |
| Vostok 3KA 3 O-X-1 | Vostok 7 | 1 Jun 1964 | Canceled | 1st Vostok 3KA SL-3 manned extended duration solo orbital |
| Apollo S1-3 L AS(U)-3 | Apollo Saturn 103 | 1 May 1964 | Canceled | 3rd Apollo 3-stage Saturn C-1 unmanned CSM suborbital |
| Dyna-Soar T1 S(U)-4 | Dyna-Soar 4 | 1 Jul 1964 | Canceled | 4th Dyna Soar Titan I unmanned suborbital |
| Mercury A O-X-14 | Mercury Atlas 22 | 1 Jul 1964 | Study | 14th Mercury Atlas manned extended orbital |
| Apollo AA P S(S)-3 | Apollo Agena 3 | 1 Jul 1964 | Canceled | 3rd Apollo Atlas Agena subscale CM suborbital lunar reentry simulation |
| ASSET ThD ASV S(S)-3 | ASSET 3 | 22 Jul 1964 | Flown | 3rd ASSET ASV Thor/Delta subscale suborbital |
| Horizon 1 O-CA-1-1 | Horizon 1 | 1 Aug 1964 | Study | 1st Horizon Saturn I manned support orbital of 1st assembled cargo lunar landing |
| Dyna-Soar T1 S-4 | Dyna-Soar 6 | 1 Aug 1964 | Canceled | 4th Dyna Soar Titan I manned suborbital |
| Apollo S1-3 L AS(B)-1 | Apollo Saturn 101 | 1 Aug 1964 | Canceled | 1st Apollo Saturn C-1 boilerplate CSM suborbital, possible abort reentry test |
| Apollo S1-3 L A(U)-3 | Apollo Saturn 109 | 1 Aug 1964 | Proposed | 3rd Apollo 3-stage Saturn C-1 unmanned CSM orbital |
| Lunex A410 A(U)-1 | Lunex 1 | 1 Aug 1964 | Study | 1st Lunex A410 unmanned orbital |
| SAINT II O(U)-3 | SAINT II-3 | 1 Aug 1964 | Study | 3rd SAINT II Titan II/Chariot unmanned satellite interceptor orbital |
| Dyna-Soar T2 S(U)-1 | Dyna-Soar 1 | 1 Aug 1964 | Canceled | 1st Dyna Soar Titan II unmanned suborbital |
| Apollo S1 L A(U)-4 | Apollo Saturn 106 | 1 Aug 1964 | Canceled | 4th Apollo Saturn C-1 Blk I unmanned CSM orbital |
| Vostok 3KA 3 O-D-3A | Vostok 8 | 1 Aug 1964 | Canceled | 1st Vostok 3KA SL-3 manned orbital of 3rd dual flight, extended duration |
| Vostok 3KA 3 O-D-3B | Vostok 9 | 1 Aug 1964 | Canceled | 2nd Vostok 3KA SL-3 manned orbital of 3rd dual flight, extended duration |
| Horizon 1 O-CA(U)-1-1 | Horizon 2 | 2 Aug 1964 | Study | 1st Horizon Saturn I unmanned orbital for 1st assembled cargo lunar landing |
| Horizon 1 O-CA(U)-1-2 | Horizon 3 | 1 Sep 1964 | Study | 2nd Horizon Saturn I unmanned orbital for 1st assembled cargo lunar landing |
| Dyna-Soar T1 S(U)-5 | Dyna-Soar 5 | 1 Sep 1964 | Canceled | 5th Dyna Soar Titan I unmanned suborbital |
| Mercury A O-X-15 | Mercury Atlas 23 | 1 Sep 1964 | Study | 15th Mercury Atlas manned extended orbital |
| Horizon 1 O-CA(U)-1-3 | Horizon 4 | 11 Sep 1964 | Study | 3rd Horizon Saturn I unmanned orbital for 1st assembled cargo lunar landing |
| Apollo S1 L A(B)-2 | Apollo Saturn 102 | 18 Sep 1964 | Flown | 2nd Apollo Saturn C-1 boilerplate CSM orbital |
| Horizon 1 O-CA(U)-1-4 | Horizon 5 | 21 Sep 1964 | Study | 4th Horizon Saturn I unmanned orbital for 1st assembled cargo lunar landing |
| Horizon 1 O-CA-1-2 | Horizon 6 | 1 Oct 1964 | Study | 2nd Horizon Saturn I manned support orbital of 1st assembled cargo lunar landing |
| Apollo S1-3 L AS(B)-6 | Apollo Saturn 106 | 1 Oct 1964 | Proposed | 6th Apollo 3-stage Saturn C-1 boilerplate CSM suborbital |
| Dyna-Soar T1 S-5 | Dyna-Soar 7 | 1 Oct 1964 | Canceled | 5th Dyna Soar Titan I manned suborbital |
| Apollo S1-3 L C1-1 | Apollo Saturn 110 | 1 Oct 1964 | Proposed | 1st Apollo 3-stage Saturn C-1 manned CSM orbital |
| Vostok 3KV 4 O(U)-1 | Kosmos 47 | 6 Oct 1964 | Flown | 1st Vostok 3KV SL-4 unmanned orbital |
| Horizon 1 O-CA(U)-1-5 | Horizon 7 | 12 Oct 1964 | Study | 5th Horizon Saturn I unmanned orbital for 1st assembled cargo lunar landing |
| Vostok 3KV 4 O-1 | Voskhod 1 | 12 Oct 1964 | Flown | 1st Vostok 3KV SL-4 manned orbital |
| Horizon 2 O-CA(U)-1-1 | Horizon 8 | 22 Oct 1964 | Study | 2nd Horizon Saturn I manned support orbital of 1st assembled cargo lunar landing |
| ASSET Th AEV S(S)-1 | ASSET 4 | 28 Oct 1964 | Flown | 1st ASSET AEV Thor-DSV2F subscale suborbital |
| Horizon 1 O-CA(U)-1-6 | Horizon 9 | 1 Nov 1964 | Study | 6th Horizon Saturn I unmanned orbital for 1st assembled cargo lunar landing |
| Mercury A O-X-16 | Mercury Atlas 24 | 1 Nov 1964 | Study | 16th Mercury Atlas manned extended orbital |
| Apollo S1-3 L AS(B)-2 | Apollo Saturn 102 | 1 Nov 1964 | Canceled | 2nd Apollo 3-stage Saturn C-1 boilerplate CSM suborbital, possible reentry test at near parabolic velocity |
| Lunex A410 A(U)-2 | Lunex 2 | 1 Nov 1964 | Study | 2nd Lunex A410 unmanned orbital |
| SAINT II O-1 | SAINT II-4 | 1 Nov 1964 | Study | 1st SAINT II Titan II/Chariot manned satellite interceptor orbital |
| Apollo S1 L A(U)-3 | Apollo Saturn 105 | 1 Nov 1964 | Canceled | 3rd Apollo Saturn C-1 unmanned CSM orbital |
| Horizon 1 O-CA(U)-1-7 | Horizon 10 | 11 Nov 1964 | Study | 7th Horizon Saturn I unmanned orbital for 1st assembled cargo lunar landing |
| Horizon 1 O-CA(U)-1-8 | Horizon 11 | 21 Nov 1964 | Study | 8th Horizon Saturn I unmanned orbital for 1st assembled cargo lunar landing |
| Horizon 1 O-CA-1-3 | Horizon 12 | 1 Dec 1964 | Study | 3rd Horizon Saturn I manned support orbital of 1st assembled cargo lunar landing |
| Dyna-Soar T1 S-6 | Dyna-Soar 8 | 1 Dec 1964 | Canceled | 6th Dyna Soar Titan I manned suborbital |
| Apollo S1-3 L AE(U)-1 | Apollo Saturn 111 | 1 Dec 1964 | Proposed | 1st Apollo 3-stage Saturn C-1 unmanned CSM high elliptical orbital |
| Dyna-Soar T2 S(U)-2 | Dyna-Soar 2 | 1 Dec 1964 | Canceled | 2nd Dyna Soar Titan II unmanned suborbital |
| Horizon 1 O-CA(U)-1-9 | Horizon 13 | 9 Dec 1964 | Study | 9th Horizon Saturn I unmanned orbital for 1st assembled cargo lunar landing |
| ASSET Th_AEV S(S)-2 | ASSET 5 | 9 Dec 1964 | Flown | 2nd ASSET AEV Thor-DSV2F subscale suborbital |
| Horizon 1 O-CA(U)-1-10 | Horizon 14 | 16 Dec 1964 | Study | 10th Horizon Saturn I unmanned orbital for 1st assembled cargo lunar landing |
| Horizon 1 O-CA(U)-1-11 | Horizon 15 | 24 Dec 1964 | Study | 11th Horizon Saturn I unmanned orbital for 1st assembled cargo lunar landing |