- Family: Titan
- Length: 54 m
- Diameter: 3.05 m
- Launch Mass: 910 T
- Low Earth Orbit Capacity: 21680 kg
The Titan 403B was manufactured by Lockheed Martin with the first launch on 2000-08-17. Titan 403B has 1 successful launches and 0 failed launches with a total of 1 launches. Titan IV was a family of heavy-lift space launch vehicles developed by Martin Marietta and operated by the United States Air Force from 1989 to 2005.
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.