In the dark of night, SpaceX will launch the mysterious X-37B space plane for the U.S. Space Force (USSF).
A Falcon 9 rocket will launch the mission, USSF-36, from Pad 39A, at NASA's Kennedy Space Center (KSC), in Florida, carrying the Boeing-built X-37B on the orbital transfer vehicle's eighth flight (OTV-8). Launch is scheduled for Thursday, Aug. 21, at 11:50 p.m. EDT (0350 GMT, Aug. 22).
