From the Secretary of the Air Force Public Affairs: "The Air Force's X-37B Orbital Test Vehicle mission 4 landed at NASA 's Kennedy Space Center Shuttle Landing Facility May 7, 2017. Managed by the Air Force Rapid Capabilities Office, the X-37B program is the newest and most advanced re-entry spacecraft that performs risk reduction, experimentation and concept of operations development for reusable space vehicle technologies."
:46
2:45
1:09
2:08
2:10
