SpaceX will launch the fifth Orbital Test Vehicle instead of ULA. This will be the first time USAF will use a SpaceX rocket to launch their miniature spaceplane.
A secret mission ended recently to the sound of a sonic boom across Florida.
The International Space Station has not had a suitable ambulance since the days of the space shuttle fleet. But astronomers think the mysterious Air Force X-37B space plane could make a good space ambulance.
A mystery space plane has been orbiting earth for 500 days and up to now, nobody knows what exactly is it doing up there.