U.S. Air Force Senior Airman Dylan Sheets, 577th Expeditionary Prime BEEF Squadron heating, ventilation, and air conditioning, takes a break from raking concrete foundation at Kandahar Airfield, Afghanistan, Jan. 4, 2014. The 577th EPBS is forward deployed from the 1st Expeditionary Civil Engineer Group at Al Udeid Air Base. (U.S. Air Force photo by Senior Airman Kayla Newman/Released)