Richard R. Arnold

Richard Robert Arnold II, known as Ricky, is an American educator astronaut who was born on 26 November 1963 in Cheverly, Maryland. He holds a bachelor of science in accounting from Frostburg State University (1985) and a master of science in marine, estuarine and environmental science from the University of Maryland (1992). At the time of his selection he taught math and science at the American International School in Bucharest, Romania. NASA selected him on 6 May 2004 as part of astronaut group 19. He flew as a mission specialist on Space Shuttle Discovery during STS-119 in March 2009, and as a flight engineer on Soyuz MS-08 and the International Space Station expeditions 55 and 56, from 21 March to 4 October 2018. His two flights total 209 days, 13 hours and 29 minutes in space.