Douglas H. Wheelock

Douglas Wheelock is an American engineer and astronaut, born on 5 May 1960. He has flown in space twice, logging 178 days across the Space Shuttle, the International Space Station and the Russian Soyuz. His first flight was STS-120 in 2007; his second was Soyuz TMA-19 in 2010, as part of Expedition 24 and Expedition 25, when he served as commander of the station. In July 2011 he announced that he would return to active duty with the United States Army. Wikipedia says he later worked with NASA on tests of the Orion spacecraft at the Glenn Research Center’s Plum Brook facility in Ohio.

Born: 5 May 1960
Country: United States
Flights: 2: STS-120 (2007), Soyuz TMA-19 (2010)
Time in space: 178 days 9 hours
Stations visited: International Space Station, as part of Expedition 24, Expedition 25