| Name | Family | Manufacturer | Maiden Flight Date | Active | Reusable | Launch Count | Length (m) | Max Diameter (m) | LEO Capacity (kg) | GTO Capacity (kg) | Thrust at Liftoff (kN) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Delta II | Delta | United Launch Alliance | 06/24/1999 | ✘ | ✘ | 7 | 38.9 | 2.44 | 2800 | — | — |
| Delta 7920-10L | Delta | McDonnell Douglas | 05/04/2002 | ✘ | ✘ | 2 | 40.0 | 2.44 | — | — | — |
| Delta 6920-8 | Delta | McDonnell Douglas | 02/14/1990 | ✘ | ✘ | 1 | 39.0 | 2.44 | — | — | 3790 |
| Delta 2310 | Delta | McDonnell Douglas | 11/15/1974 | ✘ | ✘ | 3 | 35.0 | 2.44 | — | — | 1737 |
| Delta 7925-10 | Delta | McDonnell Douglas | 11/01/1994 | ✘ | ✘ | 2 | 38.9 | 2.44 | — | — | 4000 |
| Thor Delta C1 | Thor | McDonnell Douglas | 05/25/1966 | ✘ | ✘ | 3 | 27.5 | 2.44 | 81 | — | 756 |
| Thor MG-18 | Thor | McDonnell Douglas | 01/19/1965 | ✘ | ✘ | 2 | 23.0 | 2.44 | — | — | 668 |
| Delta 0300 | Delta | McDonnell Douglas | 10/15/1972 | ✘ | ✘ | 3 | 34.0 | 2.44 | — | — | 1590 |
| Thor SLV-2 Agena B | Thor | McDonnell Douglas | 01/25/1964 | ✘ | ✘ | 3 | 27.2 | 2.44 | 400 | — | 756 |
| Delta 7425-9.5 | Delta | McDonnell Douglas | 12/11/1998 | ✘ | ✘ | 3 | 39.0 | 2.44 | — | — | 3020 |
| Thor Able II | Thor | McDonnell Douglas | 01/23/1959 | ✘ | ✘ | 2 | 27.3 | 2.44 | — | — | 668 |
| Delta 1914 | Delta | McDonnell Douglas | 11/10/1972 | ✘ | ✘ | 2 | 35.0 | 2.44 | — | — | 2287 |
| Delta 1604 | Delta | McDonnell Douglas | 09/23/1972 | ✘ | ✘ | 2 | 35.0 | 2.44 | 600 | — | — |
| Delta 7426-9.5 | Delta | McDonnell Douglas | 02/07/1999 | ✘ | ✘ | 1 | 39.0 | 2.44 | — | — | 3020 |
| Thorad SLV-2H Agena D | Thor | McDonnell Douglas | 06/05/1969 | ✘ | ✘ | 13 | 34.0 | 2.44 | — | — | 1571 |
| Thorad SLV-2G Agena D | Thor | McDonnell Douglas | 08/09/1966 | ✘ | ✘ | 30 | 32.9 | 2.44 | — | — | 1444 |
| Thor DSV-2U | Thor | McDonnell Douglas | 09/11/1976 | ✘ | ✘ | 5 | 23.0 | 2.44 | 500 | — | 750 |
| Thor Able III | Thor | McDonnell Douglas | 08/07/1959 | ✘ | ✘ | 1 | 27.4 | 2.44 | — | — | 668 |
| Delta 7925-8 | Delta | McDonnell Douglas | 02/19/1994 | ✘ | ✘ | 2 | 38.2 | 2.44 | — | — | 4000 |
| Delta 3920-8 | Delta | McDonnell Douglas | 03/24/1989 | ✘ | ✘ | 1 | 36.0 | 2.44 | — | — | 3188 |
| Delta 4925-8 | Delta | McDonnell Douglas | 08/27/1989 | ✘ | ✘ | 2 | 34.0 | 2.44 | 3400 | 1200 | 3468 |
| Delta 7425-10 | Delta | McDonnell Douglas | 06/30/2001 | ✘ | ✘ | 1 | 39.0 | 2.44 | — | — | 3020 |
| Thor Delta E | Thor | McDonnell Douglas | 11/06/1965 | ✘ | ✘ | 6 | 31.0 | 2.44 | 540 | 150 | 1452 |
| Delta 2913 | Delta | McDonnell Douglas | 08/09/1975 | ✘ | ✘ | 2 | 35.0 | 2.44 | 2000 | 700 | 2560 |
| Delta 0900 | Delta | McDonnell Douglas | 07/23/1972 | ✘ | ✘ | 2 | 34.0 | 2.44 | 1300 | — | 2500 |