Dec 3, 2010 2:53 PM by Monica Quintero
Some are calling it a mysterious space plane.
The X-37B landed around 1:15 Friday morning at Vandenberg Air Force Base.
Many are now speculating its purpose and have theories regarding the spacecraft which resembles a small space shuttle.
It's an unmanned space vehicle that's been in orbit for about seven months.
The military says the X-37B has been performing classified experiments in space.
Watch KSBY News at 5 and 6 for a closer look at the mystery surrounding the X-37B.
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