U.S. Air Force Staff Sgt. Matthew Kramer, 51st Civil Engineer Squadron heating, ventilating and air conditioning journeyman, cleans off a cooling unit at the dorms to allow better heat dispersion at Osan Air Base, Republic of Korea, Aug. 13, 2018. Over the summer, the HVAC Airmen completed 175 work orders in 249 dorm rooms in two days. (U.S. Air Force photo by Senior Airman Kelsey Tucker)