@SenBillNelson Butch and Suni will continue to contribute to @ISS_Research aboard the station before heading home in a @SpaceX Dragon spacecraft. Read about their work so far: t.co/zy3B0KXzEP Follow our blogs for the latest @Space_Station and #Starliner updates: t.co/M7G4xLhChJ t.co/0wX2xeom9V