The unmanned X-37B space plane built by Boeing's Phantom Works division is undergoing orbital flight tests for the U.S. Air Force. Boeing
Air Force Says It's Extending Mission Of Mysterious X-37B -- L.A. Times
The Air Force is extending the mission of an experimental robotic space plane that’s been circling the Earth for the last nine months.
The pilotless X-37B Orbital Test Vehicle, which looks like a miniature version of the space shuttle, was launched in March from Cape Canaveral, Fla. At the time, Air Force officials offered few details about the mission, saying that the space plane simply provided a way to test new technologies in space, such as satellite sensors and other components.
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More News On The Air Force's X-37B Program
Secretive Air Force space plane nears orbital record -- MSNBC
Secretive X-37B Robotic Space Plane Receives Prolonged Mission -- Daily Tech
Secretive Air Force space plane sets endurance record -- CBS/AP
Mystery Robot Space Plane Still Flying, 7 Months Later -- FOX News/Space.com
New Mission for Secret Spaceplane? -- Discovery News
Military space shuttle receives mission extension -- Spaceflight Now