Top Secret U.S. Robot Spacecraft Returns Home after 667 Days in Orbit

October 13, 2014 4:09 AM

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(Photo : United States Air Force/Michael Stonecypher/Wikimedia) The X-37B Orbital Test Vehicle sits on the runway during post-landing operations on Dec. 3, 2010 at Vandenberg Air Force Base.

The X-37B is a fully robotic space plane also known as the Orbital Test Vehicle. It will land at Vandenberg Air Force Base in California.

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