The U.S. Air Force’s X-37B military space plane has now been circling Earth for 700 days, just a few weeks shy of the vehicle’s spaceflight-duration record.
X-37B military space plane’s latest mystery mission hits 700 days
The U.S. Air Force’s X-37B military space plane has now been circling Earth for 700 days, just a few weeks shy of the vehicle’s spaceflight-duration record.
