The X-37B, USAF’s first unmanned re-entry space vehicle, returns to Earth, following its maiden voyage of 220 days, during which time it conducted risk reductions and reusable space vehicle technology concept development experiments.
The B-21 Raider stealth bomber was recently flown, for the first time, by an operational pilot as part of its flight test process, the Air Force said June 11. And a top Pentagon official said the move to bring operational testing into the B-21 process earlier than normal shows the…