A heating, ventilation and air conditioning (AC) technician from the 8th Civil Engineer Squadron removes bolts from a water pipe while installing a new AC unit for a dormitory at Kunsan Air Base, Republic of Korea, July 30, 2012. The daylong project required three shops from the squadron to coordinate to provide air conditioning for the 100 airmen who live in the dorm. (U.S. Air Force photo by Senior Airman Brigitte N. Brantley/Released)