SpaceX launches 4 astronauts for NASA after private flight

NASA astronaut Robert Hines waves to family and friends as he and crew mates depart the Neil A. Armstrong Operations and Checkout Building for Launch Complex 39A to board the SpaceX Crew Dragon spacecraft for the Crew-4 mission launch, Tuesday, April 26, 2022, at NASA's Kennedy Space Center in Florida. (Aubrey Gemignani, NASA via AP)

SpaceX launches 4 astronauts for NASA after private flight