United Launch Alliance · Atlas V 551
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Launch Date
—
Agency
United Launch AllianceRocket
Atlas V 551
Launch Pad
Space Launch Complex 41 — Cape Canaveral SFS, FL, USA
Launch Window
—
Probability
90%
Current Stage
Orbit Insertion
Payload deployed to target orbit — primary mission success
9 of 9 stages complete
100%
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Mission confirmed and added to the launch manifest
Rocket assembled and transported to the launch pad
Fuelling, systems checks, and final go/no-go polling
Countdown active — T-0 within the launch window
Main engines ignite and the vehicle clears the tower
Maximum aerodynamic pressure on the vehicle
Main engine cutoff and first stage separates
Upper stage engine ignites to continue to orbit
Payload deployed to target orbit — primary mission success

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.

Cape Canaveral SFS, FL, USA
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