Commercial ·
United States · founded 1932
| Date | Mission | Vehicle | Site | Result |
|---|---|---|---|---|
| 28 Aug 1968 | Capt Hook II | D-21B | Groom Lake Air Force Base, Area 51, Nevada | Success |
| 1 Jul 1968 | Capt Hook I | D-21B | Groom Lake Air Force Base, Area 51, Nevada | Success |
| 16 Jun 1968 | Initial Test Series 5 | D-21B | Groom Lake Air Force Base, Area 51, Nevada | Success |
| 30 Apr 1968 | Initial Test Series 4 | D-21B | Groom Lake Air Force Base, Area 51, Nevada | Success |
| 19 Jan 1968 | Initial Test Series 3 | D-21B | Groom Lake Air Force Base, Area 51, Nevada | Success |
| 2 Dec 1967 | Initial Test Series 2 | D-21B | Groom Lake Air Force Base, Area 51, Nevada | Success |
| 6 Nov 1967 | Initial Test Series 1 | D-21B | Groom Lake Air Force Base, Area 51, Nevada | Success |
| 28 Sep 1967 | Accidental launch | D-21B | Groom Lake Air Force Base, Area 51, Nevada | Failure |