Spaceflight
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On September 22, 2010, with the departure of the Expedition 23 crew, Colonel Douglas H. Wheelock assumed command of the International Space Station and the Expedition 25 crew. He is also known as @Astro_Wheels on twitter, where he has been tweeting space photos to his followers since he arrived at the space station. We thought that we should put some of the space photos together as a tribute to him and the whole ISS crew.