The Crew-9 mission is part of NASA’s Commercial Crew Program, designed to shuttle workers to and from the International Space Station.
The Space Force's reusable, robotic craft is carrying classified experiments. There's no one on board.
A soldier-turned-astronaut just returned to Earth after completing the longest single spaceflight by an American.
The vehicles will first be flown remotely to shuttle cargo around Edwards Air Force Base, followed by human pilots and passengers next year.
