View Full Version : The USAF’s Super-Secret X-37B Approaches a Milestone

2014-Apr-08, 06:00 PM
A secretive mission will pass a quiet milestone at the end of this month when the U.S. Air Force’s unmanned spaceplane the X-37B surpasses 500 days in space. Launched atop an Atlas V rocket flying in a 401 configuration from Cape Canaveral Florida after several delays on December 11th, 2012 on OTV-3, the X-37B has […]

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