In pics: NASA astronauts sent to space by SpaceX return to Earth in splashdown

NASA astronauts launched by Elon Musk's SpaceX safely returned to Earth in a splashdown by Crew Dragon capsule in the Gulf of Mexico off the coast of Florida. Astronauts Douglas Hurley and Robert Behnken spent two months in space after being launched by SpaceX in May-end. The splashdown marked the first water landing by NASA astronauts since 1975.