Atlas V 501
OTV-4 (X-37B) (USA 261) ( AFSPC-5) & ULTRASat cubesat deployer

Atlas V 501 | OTV-4 (X-37B) (USA 261) ( AFSPC-5) & ULTRASat cubesat deployer

United Launch Alliance launch of a Atlas V 501 Rocket

Watch Launch Video

United Launch Alliance was scheduled to launch a Atlas V 501 rocket as part of the OTV-4 (X-37B) (USA 261) ( AFSPC-5) & ULTRASat cubesat deployer mission. The launch window for the Government/Top Secret mission was on Wed, May 20th, 2015, 9:00 AM EDT from Space Launch Complex 41, Cape Canaveral, FL. The status of the launch was Success. Don’t miss this exciting rocket launch! Watch the launch video of the Atlas V 501 and experience the excitement for yourself.

Mission

OTV-4 (X-37B) (USA 261) ( AFSPC-5) & ULTRASat cubesat deployer

It is the second flight of the second Boeing X-37B vehicle and the fourth flight of the program. United States Air Force Orbital Test Vehicle is an unmanned 5000 kg, 8.8 m-long reusable mini-spaceplane capable of autonomous re-entry and landing. The OTV-4 mission was to test Aerojet Rocketdyne's XR-5A Hall-effect thruster and conduct a NASA investigation for testing various materials in space. The mission concluded after 717 days in orbit, marking the first time X-37B landed on the Shuttle Landing Facility at the Kennedy Space Center.

Location

Launch Pad Compass (Beta)

Space Launch Complex 41, Cape Canaveral, FL

Cape Canaveral, FL, USA

Rocket

Atlas V 501

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.

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