Regular earthling. the first all-private, all-civilian astronaut crewed space flight if wrapped up last night with a sunset splashdown off the coast of florida. >> thanks so much, spacex, for a heck of a ride. just getting started. >> reporter: if the spacex dragon slowed down from 17,000 miles an hour for a soft splashdown. once the recovery ship got the capsule on deck, the space rookies emerged ec at -- ecstat. first out, the physician assistant and cancer survival, then geoscientist diane proctor. air force and iraq veteran chris sue bros. sky and the tech billionaire who paid for all four...