Atlas V 431 | INMARSAT 4 F1
Space Launch Complex 41
Cape Canaveral SFS, FL, USA
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Lockheed Martin
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.
INMARSAT 4 F1
Heaviest single payload to geosynchronous transfer orbit to that date. The satellite was to provide L-band mobile communications and wideband data transmission for Inmarsat's global network.
Atlas V 431
Height 59.10 Meters
Max Stages 2
Mass To GTO 7700 kg
Liftoff Thrust 0 kN
Diameter 3.80 Meters
Mass To LEO 15260 kg
Liftoff Mass 479 Tonnes
Launch Success 3
Consecutive Success 3
Maiden Flight 2005-03-11
Launch Failures 0
