US Air Force's secret mission: Experimental Boeing plane to land after a year in orbit

Bobbyguitarist

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Mar 4, 2013
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Secret mission accomplished: America's secret space plane to land after a YEAR in orbit - and no one knows what it did up there | Mail Online


The X-37B has been circling the Earth at 17,000mph and was due to land in California in December

Mission of highly classified robotic plane extended for unknown reasons

Will now land in mid- to late-June



speed of the plane is 17,000Mph or 27358.848 km! amazing. Although no one knows its use as yet