| Int'l | Motor | Burn Date | Result | Usage | Launch |
| Desig. | Vehicle | ||||
| Thiokol/Elkton Star 12 SARV Retro (excluding USAF use) | |||||
| 1966-114A | Star 12 | 1966 Dec 17 | F | Biosatellite 1 retro | Delta 43 |
| 1967-083/NNA | Star 12 | 1967 Sep 9 | S | Biosatellite 2 retro | Delta 51 |
| 1969-056/NNA | Star 12 | 1969 Jul 7 | S | Biosatellite 3 retro | Delta 70 |