https://apnews.com/aa61a2352a0fcce3c3717494e1fe45bf > CAPE CANAVERAL, Fla. (AP) — A pair of NASA astronauts face the final and most important part of their SpaceX test flight: returning to Earth with a rare splashdown. > Doug Hurley and Bob Behnken took part in a farewell ceremony Saturday at the International Space Station, several hours ahead of their planned departure on a SpaceX Dragon capsule.