| 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Vanguard | — | Lockheed Martin | 10/23/1957 | ✘ | ✘ | 11 | 23.0 | 1.14 | 9 | — | 123 |
| UR-500 | — | Khrunichev State Research and Production Space Center | 07/16/1965 | ✘ | ✘ | 4 | 46.28 | 4.15 | 8400 | — | 8847 |
| Unknown Launch Vehicle | — | Unknown | — | ✔ | ✘ | 0 | — | — | — | — | — |
| Unha-3 | — | Korean Committee of Space Technology | 04/12/2012 | ✔ | ✘ | 2 | — | — | — | — | — |
| Unha | — | Korean Committee of Space Technology | 04/05/2009 | ✔ | ✘ | 2 | — | — | — | — | — |
| Tsiklon-3 | — | Yuzhnoye Design Bureau | 06/24/1977 | ✘ | ✘ | 122 | 39.27 | 3.0 | 4100 | — | 2713 |
| Tsiklon-2A | — | Yuzhnoye Design Bureau | 10/27/1967 | ✘ | ✘ | 8 | 39.7 | 3.0 | 3000 | — | 2366 |
| Tsiklon-2 | — | Yuzhnoye Design Bureau | 08/06/1969 | ✘ | ✘ | 105 | 39.7 | 3.0 | 2820 | — | 2366 |
| Trailblazer 2 | — | National Aeronautics and Space Administration | 12/14/1961 | ✘ | ✘ | 3 | 15.7 | 0.79 | — | — | 547 |
| Trailblazer 1 | — | National Aeronautics and Space Administration | 03/03/1959 | ✘ | ✘ | 1 | 17.1 | 0.58 | — | — | 365 |
| Titan IVB | — | Lockheed Martin | 10/15/1997 | ✘ | ✘ | 7 | — | — | — | — | — |
| Titan II SLV | — | Lockheed Martin | 09/05/1988 | ✘ | ✘ | 13 | 31.4 | 3.05 | 3600 | — | 1900 |
| Titan IIID | — | Lockheed Martin | 06/15/1971 | ✘ | ✘ | 22 | 36.0 | 3.05 | 12300 | — | 10586 |
| Titan IIIC | — | Lockheed Martin | 06/18/1965 | ✘ | ✘ | 36 | 42.0 | 3.0 | 13100 | 3000 | 10586 |
| Titan IIIB | — | Lockheed Martin | 07/29/1966 | ✘ | ✘ | 22 | 45.0 | 3.05 | 3000 | — | 1913 |
| Titan IIIA | — | Lockheed Martin | 09/01/1964 | ✘ | ✘ | 4 | 42.0 | 3.05 | 3100 | — | 1941 |
| Titan III | — | Lockheed Martin | 02/11/1974 | ✘ | ✘ | 7 | 48.8 | 3.05 | 15400 | — | 12991 |
| Titan II | — | National Aeronautics and Space Administration | 04/08/1964 | ✘ | ✘ | 12 | 33.2 | 3.05 | 3850 | — | 1913 |
| Titan 405B | — | Lockheed Martin | 04/30/2005 | ✘ | ✘ | 1 | 54.0 | 3.05 | 14500 | — | 14200 |
| Titan 405A | — | Lockheed Martin | 06/08/1990 | ✘ | ✘ | 2 | 54.0 | 3.05 | 17700 | — | 14200 |
| Titan 404B | — | Lockheed Martin | 05/22/1999 | ✘ | ✘ | 3 | 54.0 | 3.05 | 21680 | — | 15000 |
| Titan 404A | — | Lockheed Martin | 11/28/1992 | ✘ | ✘ | 3 | 54.0 | 3.05 | 17700 | — | 14200 |
| Titan 403B | — | Lockheed Martin | 08/17/2000 | ✘ | ✘ | 1 | 54.0 | 3.05 | 21680 | — | 15000 |
| Titan 403A | — | Lockheed Martin | 03/08/1991 | ✘ | ✘ | 5 | 54.0 | 3.05 | 17700 | — | 14200 |
| Titan 402B IUS | — | Lockheed Martin | 02/23/1997 | ✘ | ✘ | 5 | 54.0 | 3.05 | 21680 | — | 15000 |