SpaceX returns 4 astronauts to Earth; rare night splashdown

Bill Spetch, manager of the NASA International Space Station Transportation Integration Office, and NASA astronaut representative Joe Acaba watch a dolphin swim next to a ship Saturday, May 1, 2021, as NASA and SpaceX teams prepared for the splashdown of the SpaceX capsule in the Gulf of Mexico off the coast of Panama City, Fla., Saturday, May 1, 2021.