Atlas V 401 | NROL-55 (Multipayload mission)
Space Launch Complex 3E
Vandenberg SFB, CA, USA
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United Launch Alliance
United Launch Alliance (ULA) is a joint venture of Lockheed Martin Space Systems and Boeing Defense, Space & Security. ULA was formed in December 2006 by combining the teams at these companies which provide spacecraft launch services to the government of the United States. ULA launches from both coasts of the US. They launch their Atlas V vehicle from LC-41 in Cape Canaveral and LC-3E at Vandeberg. Their Delta IV launches from LC-37 at Cape Canaveral and LC-6 at Vandenberg.
NROL-55 (Multipayload mission)
Classified payload for the U.S. National Reconnaissance Office.
Atlas V 401
Height 58.30 Meters
Max Stages 2
Mass To GTO 4950 kg
Liftoff Thrust 3827 kN
Diameter 3.80 Meters
Mass To LEO 9050 kg
Liftoff Mass 590 Tonnes
Launch Success 41
Consecutive Success 41
Maiden Flight 2002-08-21
Launch Failures 0
