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Tech. Sgt. Jonathan Klenk, an electrical and environmental technician assigned to 6th Aircraft Maintenance Squadron, shows the air condition system of a KC-135 Stratotanker aircraft during the Science, Technology, Engineering, Arts and Math Day at MacDill Air Force Base, Florida, March 21, 2018. A KC-135 engine and cabin was also shown to guests and visitors at STEAM Day. (U.S. Air Force photo by Airman 1st Class Scott Warner)
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