Air Force X-37B has been in orbit for more than 718 days

Photo of Air Force X-37B has been in orbit for more than 718 days
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The U.S. Air Force has been putting a secretive spaceplane into orbit for years now called the X-37B. The X-37B spaceplane is an uncrewed spacecraft that has been heading into space for over a decade and regularly beating its own record for space flight duration. The current mission for the spaceplane is its longest duration yet. The spacecraft has passed … Continue reading
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