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Secretive X-37B space plane ready for next flight

An Atlas V rocket carrying the unmanned craft, which looks like a miniature space shuttle, has the green light for a planned liftoff Tuesday. Just don't ask what it's up to.

By Dec. 10, 2012


Unmanned Air Force space plane lands after secret mission

Wrapping up a classified 469-day mission, an unmanned Air Force space plane dropped out of orbit and returned to Earth on Saturday, executing an automated landing to close out the program's second test flight.

By Jun. 16, 2012


Air Force launches second mysterious space plane

Second Boeing-built, unmanned X-37B heads into orbit, after the first craft returned safely to Earth late last year amid speculation of potential military uses.

By Mar. 5, 2011