Space Photography By Colonel Douglas H. Wheelock

Colonel Douglas H. Wheelock has uploaded all these photos to his Twitter account @Astro_Wheels. They were taken by him during his stay at the International Space Station. Douglas Harry "Wheels" Wheelock (born May 5, 1960 in Binghamton, New York) is an American astronaut and the commander of International Space Station (ISS) Expedition 25.
NASA career
Wheelock was assigned to the NASA Johnson Space Center in August 1996 as a Space Shuttle integration test engineer. His technical duties involved engineering liaison for launch and landing operations of the Space Shuttle. He was selected as the vehicle integration test team lead for the joint Space Shuttle and Russian Space Station MIR mission STS-86, and lead engineer for International Space Station (ISS) hardware fit checks.