U.S. Air Force Staff Sgt. Andrew LaBrake, 633rd Civil Engineer Squadron heating, ventilation and air conditioning craftsman, replaces the condensation pan after repairing an air conditioner fan coil unit at Langley Air Force Base, Va., Aug. 16, 2013. The pan is used to control condensation from the fan coil that controls the temperature set by the thermostat. (U.S. Air Force photo by Staff Sgt. Ashley Hawkins/Released)