Atlas V 501 | OTV-4 (X-37B) (USA 261) (AFSPC-5) & ULTRASat cubesat deployer
Launch Successful
L - -- : -- : -- : --
Launch Window
May 20, 2015, 1 p.m. - May 20, 2015, 5 p.m.
May 20, 2015, 1 p.m. - May 20, 2015, 5 p.m.
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.
Atlas V with 5m Fairing, 0 SRB, 1 Centaur upper stage engine.
See DetailsSecond X-37B. First flight on March 5, 2011.
X-37B DetailsUnited 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.
INFO WIKIA batch of 25 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
4th flight of the Chinese spaceplane capable of returning to Earth.
Unknown classified payload(s) for the Russian military.
A batch of 25 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
Earth observation satellite built by China's CAST for the Algerian Space Agency.
A batch of 29 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
The NeonSat-1A, carrying a high-resolution optical camera, is designed to test the constellation capabilities of the South Korean government's Earth …
A batch of 25 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
Ninth of ten GPS III missions.
A batch of 25 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.