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Project Mercury missions
| Mission | Date | Flight duration (h:min:s) | Weightless time (h:min:s) | # Earth orbits | Pilot |
|---|---|---|---|---|---|
| MR-3 | 5/5/1961 | 15:28 | 5:04 | 0 | A.B. Shepard |
| MR-4 | 7/21/1961 | 15:37 | 5:00 | 0 | V.I. Grissom |
| MA-6 | 2/20/1962 | 4:55:23 | 4:38:00 | 3 | J.H. Glenn |
| MA-7 | 5/24/1962 | 4:56:05 | 4:39:00 | 3 | M.S. Carpenter |
| MA-8 | 10/3/1962 | 9:13:11 | 8:56:22 | 6 | W.M. Schirra |
| MA-9 | 5/15/1963 | 34:19:49 | 34:03:30 | 22 | L.G. Cooper |
