KH-8 21 (GAMBIT 59) was launched on 1969 Apr 15 by Titan 3B Agena D from Vandenberg on a 15 day flight. A small apogee raise was made around Apr 20.
| KH-8 21 | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1969 Apr 15 | Launched by Titan IIIB Agena D | V SLC4W | |
| 1969 Apr 16 | 0213 | 90.49 126 x 470 x 108.8 | |
| 1969 Apr 18 | 0506 | 89.76 132 x 393 x 108.8 | |
| 1969 Apr 21 | 0157 | 89.81 130 x 398 x 108.8 | |
| 1969 Apr 27 | 1024 | 89.28 126 x 350 x 108.8 | |
| 1969 Apr 30 | Reentered after 15 d | ||