The U.S. Air Force will test an innovative spacecraft thruster this month when it launches the latest mystery mission of its robotic X-37B space plane. Liftoff is set for May 20, 2015.
The U.S. Air Force will test an innovative spacecraft thruster this month when it launches the latest mystery mission of its robotic X-37B space plane. Liftoff is set for May 20, 2015.
Share this Article
Recommended