Airman 1st Class Alex Sheridan,left, and Staff Sgt. Isaac Smith service chemical and gas detection instruments at Hill Air Force Base, Utah, August 18,2014. Sheridan and Smith help maintain equipment and inventory inside the Emergency Management trailer so it can be used at a moments notice. Both are assigned to the 75th Civil Engineering Squadron.(U.S. Air Force photo by Airman 1st Class Taylor Queen/Released)
Airman 1st Class Taylor Queen
Taken on 18 August 2014
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