U.S. Air Force Senior Airman Frank Galambos, 51st Civil Engineer Squadron heating, ventilating and air conditioning journeyman, checks a cooling unit for one of the dorms at Osan Air Base, Republic of Korea, Aug. 13, 2018. With 42 members – 24 military and 18 civilian – assigned to the HVAC flight, they were able to close approximately 1,500 work orders in three months. (U.S. Air Force photo by Senior Airman Kelsey Tucker)