Air Force's Robotic X-37B Space Plane Launches Mystery Mission This Week
Monday, May 18, 2015 - 07:01
in Astronomy & Space
The unmanned X-37B spacecraft is scheduled to launch Wednesday (May 20) at 10:45 a.m. EDT atop a United Launch Alliance Atlas V rocket from Florida's Cape Canaveral Air Force Station, kicking off the vehicle's fourth mission.