NASA Astronaut Group 20

NASA Astronaut Group 20 (The Chumps) saw the training of nine mission specialists, and five international mission specialists to become NASA astronauts. These 14 astronauts began training in August 2009 and officially graduated as astronauts on 4 November 2011.

Mission Specialists

 * Serena M. Auñón - Flight TBA
 * Jeanette J. Epps
 * Future flight (May 2018): Flight Engineer, Expedition 56/57
 * Jack D. Fischer
 * Future flight (May 2017): Flight Engineer, Expedition 52/53
 * Michael S. Hopkins
 * Flight Engineer, Expedition 37/38
 * Kjell N. Lindgren
 * Flight Engineer/Mission Specialist, Expedition 44/45
 * Kathleen Rubins
 * Future flight (June 2016): Flight Engineer, Expedition 48/49
 * Scott D. Tingle
 * Future flight (Sept. 2017): Expedition 53/54
 * Mark T. Vande Hei
 * Future flight (March 2017): Flight Engineer, Expedition 51/52
 * Gregory R. Wiseman
 * Mission Specialist, Expedition 40/41

International Mission Specialists

 * Jeremy Hansen, Canada - Flight TBA
 * Norishige Kanai, Japan
 * Future flight (Nov. 2017): Expedition 54/55
 * Takuya Onishi, Japan
 * Future flight (June 2016): Flight Engineer, Expedition 48/49
 * David Saint-Jacques, Canada
 * Future flight (Nov. 2018): Expedition 58/59
 * Kimiya Yui, Japan
 * Flight Engineer, Expedition 44/45