- Family: Titan
- Length: 50 m
- Diameter: 3.05 m
- Launch Mass: 723 T
- Low Earth Orbit Capacity: 14515 kg
The Titan 34D was manufactured by Lockheed Martin with the first launch on 1983-06-20. Titan 34D has 5 successful launches and 2 failed launches with a total of 7 launches. The Titan 34D was a United States expendable launch vehicle used to launch a number of satellites for military applications.
Lockheed Martin's Space Division started in the production of missiles and later ICBM's in the 1950s. Their TITAN missile system was used for 12 Gemini spacecraft and the Voyager probes. They have worked largely in collaboration with NASA on many of their probes, landers, and spacecraft, and hope to play a key role in NASA's return to the moon in 2024. Lockheed Martin is a Commercial USA entity that was founded in 1953 and is administered by .
Lockheed Martin has 77 successful launches and 3 failed launches with a total of 80 launches.