Titan IIID
Launch of a Titan IIID | |
| Function | Expendable launch system |
|---|---|
| Manufacturer | Martin Marietta |
| Country of origin | United States |
| Size | |
| Height | 36 m (118 ft) |
| Diameter | 3.05 m (10.0 ft) |
| Mass | 612,990 kg (1,351,410 lb) |
| Stages | Two |
| Capacity | |
| Payload to LEO | |
| Mass | 12,300 kg (27,100 lb) |
| Associated rockets | |
| Family | Titan |
| Launch history | |
| Status | Retired |
| Launch sites | SLC-4E, Vandenberg AFB |
| Total launches | 22 |
| Success(es) | 22 |
| First flight | 15 June 1971 |
| Last flight | 17 November 1982 |
| Boosters (Stage 0) – UA1205 | |
| No. boosters | Two |
| Powered by | off |
| Maximum thrust | 5,849 kN (1,315,000 lbf) |
| Specific impulse | 263 sec |
| Burn time | 115 seconds |
| Propellant | Solid |
| First stage | |
| Powered by | 2 LR87-11 |
| Maximum thrust | 2,340 kN (530,000 lbf) |
| Specific impulse | 302 sec |
| Burn time | 147 seconds |
| Propellant | N2O4 / Aerozine 50 |
| Second stage | |
| Powered by | 1 LR91-11 |
| Maximum thrust | 454 kN (102,000 lbf) |
| Specific impulse | 316 sec |
| Burn time | 205 seconds |
| Propellant | N2O4 / Aerozine 50 |
The Titan IIID or Titan 3D was an American expendable launch system, part of the Titan rocket family. Titan IIID was flown 22 times with KH-9 and KH-11 satellites between 1971 and 1982, all successful launches. Essentially a Titan IIIC with the Transtage removed, it was designed for heavy LEO payloads.
The rocket had two UA1205 solid fuel boosters, the first stage was equipped with two LR-87-AJ11 engines and the second stage had a single LR-91-AJ11 engine.
Part of the Titan rocket family, the Titan IIID first flew on 15 June 1971, launching the first KH-9 satellite. It was retired from service in 1982, and replaced by the uprated Titan 34D. All launches occurred from Space Launch Complex 4E at Vandenberg Air Force Base.