The mysterious U.S. Air Force X-37B space plane returned back to Earth, landing at the Vandenberg Air Force Base after a 674-day mission in space. The aircraft is 9.5-foot tall and is over 29-feet long, and its wingspan is slightly less than 15-feet.
This was the third flight of the X-37B spacecraft, marking the longest stretch in space for the Air Force aircraft. Its X-37B has solar panels that allow it to recharge its wings after it already is in orbit. It remains unknown what the Air Force was doing with X-37B in space, as exact mission details remain classified.
"The 30th Space Wing and our mission partners, Air Force Rapid Capabilities Office, Boeing, and our base support contractors, have put countless hours of hard work into preparing for this landing and today we were able to see the culmination of that dedication," said Colonel Keith Balts, 30th Space Wing commander, in a press statement.