U.S. Air Force Staff Sgt. Charles Martinez, 4th Civil Engineer Squadron heating, ventilation and air conditioning technician, attaches an environment control unit to a tent during Operational Readiness Exercise Coronet Warrior 13-02, at a simulated deployed location on Seymour Johnson Air Force Base, N.C., Feb. 13, 2013. Martinez replaced the unit that was attached to the dining facility to ensure the facility's food maintained proper temperature. (U.S. Air Force photo/Airman 1st Class Aubrey White)
Airman 1st Class Aubrey White
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