Watch the Falcon 9 launch from pad 39A

Astronaut Scott Kelly, in good spirits and looking surprisingly fit after a record 340 days in space, said Wednesday he could have stayed up longer if necessary, giving him confidence future astronauts will be up to the challenge of even longer flights to Mars and beyond.

Dragon Freedom undocked from the space station at 1:05 a.m. EDT (1705 UTC) on Tuesday to begin its roughly 17-hour trip to splash down along Florida’s Gulf Coast. The parachute-supported splash down happened at 5:57 p.m. EDT (2157 UTC).

A network of amateur skywatchers and satellite observers have located a classified spacecraft owned by the National Reconnaissance Office, a U.S. government intelligence agency, in low Earth orbit after its launch May 1 from Florida aboard a SpaceX Falcon 9 rocket.