Lost Missions of the Space Age: 1961 | ||||
| MISS Th O-4 | MISS 23 | 1 Jan 1961 | Study | 4th MISS Thor/Nomad manned orbital |
| MISS A O-2 | MISS 21 | 1 Jan 1961 | Study | 2nd MISS Atlas manned orbital |
| Mercury R S(C)-1 | Mercury Redstone 2 | 31 Jan 1961 | Flown | 1st Mercury Redstone chimpanzee suborbital |
| MISS Th O-5 | MISS 24 | 1 Feb 1961 | Study | 5th MISS Thor/Nomad manned orbital |
| MISS A O-3 | MISS 22 | 1 Feb 1961 | Study | 3rd MISS Atlas manned orbital |
| Mercury R S-6 | Mercury Redstone 8 | 1 Feb 1961 | Canceled | 6th Mercury Redstone manned suborbital |
| Mercury A S(U)-2 | Mercury Atlas 2 | 21 Feb 1961 | Flown | 2nd Mercury Atlas unmanned suborbital |
| MISS Th O-6 | MISS 25 | 1 Mar 1961 | Study | 6th MISS Thor/Nomad manned orbital |
| MISS A O-4 | MISS 23 | 1 Mar 1961 | Study | 4th MISS Atlas manned orbital |
| Vostok 3KA 3 O(U)-1 | Korabl Sputnik 4 | 9 Mar 1961 | Flown | 1st Vostok 3KA SL-3 unmanned orbital |
| Mercury R S(B)-1 | Mercury Redstone BD | 24 Mar 1961 | Flown | 1st Mercury Redstone boilerplate suborbital |
| Vostok 3KA 3 O(U)-2 | Korabl Sputnik 5 | 25 Mar 1961 | Flown | 2nd Vostok 3KA SL-3 unmanned orbital |
| MISS Th O-7 | MISS 26 | 1 Apr 1961 | Study | 7th MISS Thor/Nomad manned orbital |
| MISS A O-5 | MISS 24 | 1 Apr 1961 | Study | 5th MISS Atlas manned orbital |
| Vostok 3KA 3 O-1 | Vostok 1 | 12 Apr 1961 | Flown | 1st Vostok 3KA SL-3 manned orbital |
| Mercury A S(U)-3 | Mercury Atlas 3 | 25 Apr 1961 | Flown | 3rd Mercury Atlas unmanned suborbital |
| MISS Th O-8 | MISS 27 | 1 May 1961 | Study | 8th MISS Thor/Nomad manned orbital |
| MISS A O-6 | MISS 25 | 1 May 1961 | Study | 6th MISS Atlas manned orbital |
| Mercury R S-1 | Mercury Redstone 3 | 5 May 1961 | Flown | 1st Mercury Redstone manned suborbital |
| MISS Th O-9 | MISS 28 | 1 Jun 1961 | Study | 9th MISS Thor/Nomad manned orbital |
| MISS A O-7 | MISS 26 | 1 Jun 1961 | Study | 7th MISS Atlas manned orbital |
| MISS Th O-10 | MISS 29 | 1 Jul 1961 | Study | 10th MISS Thor/Nomad manned orbital |
| MISS A O-8 | MISS 27 | 1 Jul 1961 | Study | 8th MISS Atlas manned orbital |
| Mercury R S-2 | Mercury Redstone 4 | 21 Jul 1961 | Flown | 2nd Mercury Redstone manned suborbital |
| MISS Th O-11 | MISS 30 | 1 Aug 1961 | Study | 11th MISS Thor/Nomad manned orbital |
| MISS A O-9 | MISS 28 | 1 Aug 1961 | Study | 9th MISS Atlas manned orbital |
| Lunex A S(S)-1 | Lunex Subscale 1 | 1 Aug 1961 | Study | 1st Lunex Atlas unmanned subscale lunar return speed reentry suborbital |
| Vostok 3KA 3 O-2 | Vostok 2 | 6 Aug 1961 | Flown | 2nd Vostok 3KA SL-3 manned orbital |
| Mercury R S-3 | Mercury Redstone 5 | 1 Sep 1961 | Canceled | 3rd Mercury Redstone manned suborbital |
| MISS A O-10 | MISS 29 | 1 Sep 1961 | Study | 10th MISS Atlas manned orbital |
| Mercury A O(U)-1 | Mercury Atlas 4 | 13 Sep 1961 | Flown | 1st Mercury Atlas unmanned orbital |
| MISS A O-11 | MISS 30 | 1 Oct 1961 | Study | 11th MISS Atlas manned orbital |
| Mercury R S-4 | Mercury Redstone 6 | 1 Oct 1961 | Canceled | 4th Mercury Redstone manned suborbital |
| Mercury R S-5 | Mercury Redstone 7 | 2 Oct 1961 | Canceled | 5th Mercury Redstone manned suborbital |
| Apollo S1 P S-LV1(N)-1 | Saturn-Apollo 1 | 27 Oct 1961 | Flown | 1st Saturn C-1 Blk I suborbital, 1st stage live only |
| Mercury S O-NTV(U)-1 | Mercury Scout 1 | 1 Nov 1961 | Flown | 1st Mercury Scout unmanned orbital network test vehicle |
| Mercury A O(C)-1 | Mercury Atlas 5 | 29 Nov 1961 | Flown | 1st Mercury Atlas chimpanzee orbital |
| Mercury A O(C)-2 | Mercury Atlas 6 | 31 Dec 1961 | Canceled | 2nd Mercury Atlas chimpanzee orbital |