US Air Force’s Mysterious X-37B Space Plane Sets New Record For Time In Space

“An Air Force X-37B spaceplane just completed its 718th day in orbit, making it the longest mission yet for a secretive military test program,” reports CNN: The US military has launched five uncrewed X-37B spaceplanes into orbit over the past decade, and each flight has been longer than its predecessor… What is known is that the military is using the planes…