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Above picture is a file image from video taken by Vandenberg Air Force Base in June 16, 2012US Air Force's secret mini shuttle has finally returned to earth after spending nearly two years on a classified mission in space, according to military officials. The X37-B space plane, measuring 29 feet in length and having 15-foot wingspan, the unmanned, reusable orbital test vehicle with a miniature version of NASA's now retired space shuttle. The space plane touched ground this morning at Vandenberg Air Force Base in California after spending a staggering 674 days aloft.
Credit: Abcnews
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October 18, 2014
US Air Force's Secret X37-B Space Plane Lands After 2 Year Mission
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