The Air Force’s secret space plane sets a new record: 718 days in orbit August 26, 2019 at 11:14PM

The U.S. Air Force's X-37B space plane has been orbiting Earth since September 7th, 2017, crossing the 718 day mark and breaking its previous record of 717 days, 20 hours and 42 minutes in flight. While little is known about the classified X-37B, we…

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