The Air Force’s Secret Space Plane Is Headed Back Into Orbit. Here’s What It’s Probably Up To
The Air Force’s top secret unmanned X-37B space plane blasted off on its fifth flight on Sept. 7, launching from NASA’s Kennedy Space Center in Florida with an assist from a Falcon 9 rocket booster belonging to billionaire entrepreneur Elon Musk’s aerospace company SpaceX, the Associated Press reports. Though the X-37B Orbital Test Vehicle’s mission […]