Tech. Sgt. James, 380th Expeditionary Civil Engineer Squadron heating, ventilation, and air conditioning technician, washes air conditioner condenser coils August 8, 2017, at Al Dhafra Air Base, United Arab Emirates. HVAC Airmen use pressure washers to clean condenser coils that get covered with dust several times faster here than they do stateside. (U.S. Air Force photo by Senior Airman Preston Webb)