NASA Logo, National Aeronautics and Space Administration
NASA Space Science Data Coordinated Archive Header




OTV 2 (Orbital Test Vehicle 2), a U.S. Air Force military satellite also known as USA 226 or X-37B, was launched from Cape Canaveral on 05 March 2011 at 22:46 UT. The satellite was launched by an Atlas 5 rocket and weighed approximately 5 tonnes. OTV 2 is the second mission of the Orbital Test Vehicle (OTV). The OTV was designed to examine how highly complex technologies will perform in space before they are made operational. OTV was the first vehicle since NASA's shuttle orbiter capable of returning experiments to Earth for further inspection and analysis.

Alternate Names

  • 37375
  • OTV2

Facts in Brief

Launch Date: 2011-03-05
Launch Vehicle: Atlas V
Launch Site: Cape Canaveral, United States

Funding Agency

  • Department of Defense-Department of the Air Force (United States)


  • Surveillance and Other Military

Additional Information

Questions and comments about this spacecraft can be directed to: Coordinated Request and User Support Office

[] NASA Logo -