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secret mystery space plane orbit airforce nasa orig_00011802
secret mystery space plane orbit airforce nasa orig_00011802

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    Mysterious space plane returns to orbit

MUST WATCH

Mysterious space plane returns to orbit

The X-37B Orbital Test Vehicle, an unmanned spacecraft developed by the U.S. Air Force, is returning to orbit.

Mysterious space plane returns to orbit

The X-37B Orbital Test Vehicle, an unmanned spacecraft developed by the U.S. Air Force, is returning to orbit.