"List of NASA astronauts in 2015, a listing of the U.S. space agency's astronauts around 2015. Not including management astronauts, many new astronauts from NASA Astronaut Group 21 who had graduated after being selected in 2013."@en . . . . . . "List of NASA astronauts in 2015, a listing of the U.S. space agency's astronauts around 2015. Not including management astronauts, many new astronauts from NASA Astronaut Group 21 who had graduated after being selected in 2013."@en . "List of NASA astronauts in 2015"@en . . . . .