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NASA Astronaut Douglas H. Wheelock

Douglas H. Wheelock was selected as a NASA astronaut in 1998. He most recently served as a flight engineer onboard the International Space Station as part of Expedition 24 and 25.

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Douglas Wheelock

Learn more about astronaut Douglas Wheelock, including his flight experience, hobbies, education, background and more.

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Astronauts Douglas H. Wheelock and Scott E. Parazynski (partially obscured), both STS-120 mission specialists, are about to be submerged in the waters of the Neutral Buoyancy Laboratory (NBL) near Johnson Space Center.
(2 February 2007) Astronauts Douglas H. Wheelock and Scott E. Parazynski (partially obscured), both STS-120 mission specialists, are about to be submerged in the waters of the Neutral Buoyancy Laboratory (NBL) near Johnson Space Center. Wheelock and Parazynski are attired in training versions of the Extravehicular Mobility Unit (EMU) spacesuit. SCUBA-equipped divers (out of frame) are in the water to assist the crewmembers in their rehearsal, intended to help prepare them for work on the exterior of the International Space Station. (Credit: NASA)