Tech. Sgt. Matthew Myers, 380th Expeditionary Civil Engineer Squadron heating ventilation, air conditioning and refrigeration craftsman, works on an air conditioner compressor Sept. 23, 2010, at a non-disclosed location in Southwest Asia. Sergeant Myers is deployed from the 355th Civil Engineer Squadron at Davis-Monthan Air Force Base, Ariz., and previous to that served as a contingency skills instructor for the 421st Combat Training Squadron, U.S. Air Force Expeditionary Center, at Joint Base McGuire-Dix-Lakehurst, N.J. (U.S. Air Force Photo/Tech. Sgt. April Wickes)