December 11, 2012
The X-37B Orbital Test Vehicle, above, is shown at the Astrotech facility in Titusville, Fla. Half of the Atlas V five-meter fairing is in the background. On Tuesday, the Air Force launched the top-secret, unmanned mini-space shuttle from Cape Canaveral, Fla.
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The military’s small, top-secret version of the space shuttle rocketed into orbit Tuesday for a repeat mystery mission, two years after making the first flight of its kind.