OTV-4 (X-37B) (USA 261) ( AFSPC-5) & ULTRASat cubesat deployer
This mission is complete.
Vehicle
Atlas V 501
Profile →Atlas V is an expendable launch system in the Atlas rocket family. It was formerly operated by Lockheed Martin and is now operated by United Launch Alliance (ULA), a joint venture with...
Provider
United Launch Alliance
Profile →USA • Founded 2006
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 spa...
Mission Brief
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.
Mission Timeline
11 / 11100%Launch Site
Space Launch Complex 41, Cape Canaveral SFS, FL, USA
Schedule History
No delays or schedule changes recorded.
