One year after its launch into orbit, the US Air Force’s secret space drone continues to circle the Earth as the goal of its mission and its payload remain a mystery.
The X-37B Orbital Test Vehicle, which resembles a small unmanned version of the space shuttle (one forth in size), was blasted into orbit from Cape Canaveral, Florida, on December 11, 2012.
“It’s obvious the Air Force is finding some value there,” Brian Weeden, a former Air Force officer and expert in space security at the Secure World Foundation, said. “Otherwise, they wouldn’t keep sending vehicles up.”
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