US Air Force X-37B Space Plane Launches 3rd Mystery Mission | Video
Wednesday, December 4, 2013 - 12:01
in Astronomy & Space
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.