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    US Air Force X-37B Space Plane Launches 3rd Mystery Mission

    Michael500ca

    by Michael500ca

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    The U.S. Air Force’s secretive X-37B space plane program launches its third mission, OTV-3, on Dec. 11, 2012 using a United Launch Alliance Atlas 5 rocket. The mission marked the first reflight of an X-37B robotic space plane.

    Credit: United Launch Alliance