Astronauts

Joseph Percival "Joe" Allen IV, Ph.D. is a former NASA astronaut. He logged more than 3,000 hours flying time in jet aircraft. Allen is married to…

Joseph Peter Kerwin, M.D. is an American physician and former NASA astronaut, who served as Science Pilot for the Skylab 2 mission from May 25–June 2…

Joseph Richard "Joe" Tanner is an American instructor at the University of Colorado Boulder, mechanical engineer, a former naval officer and aviator,…

Josh Aaron Cassada is an American physicist, test pilot, and NASA astronaut. Prior to his selection to join NASA in 2013, Cassada served as a test pi…

Karen LuJean Nyberg is an American mechanical engineer and NASA astronaut. Nyberg became the 50th woman in space on her first mission in 2008. Nyb…

Kathleen Hallisey "Kate" Rubins is a NASA astronaut. She became the 60th woman to fly in space when she launched on a Soyuz spacecraft to the Interna…

Kathryn Ryan Cordell Thornton is an American scientist and a former NASA astronaut with over 975 hours in space, including 21 hours of extravehicular…

Kathryn Dwyer Sullivan is an American geologist and a former NASA astronaut. A crew member on three Space Shuttle missions, she was the first America…

Kathryn Patricia "Kay" Hire is a NASA astronaut and Captain in the U.S. Navy Reserve who has flown aboard two Space Shuttle missions. Hire began work…