Tech. Sgt. Kristopher Dolehanty, 341st Civil Engineering Squadron NCO uses a ProPress machine to connect pipe fittings on a new water heater for the base swimming pool April 21, 2015, at Malmstrom Air Force Base, Mont. Dolehanty was recently selected to attend the Tri-Service Physician Assistant Training program. He has one year left in HVAC until he starts the PA program.(U.S. Air Force photo/Staff Sgt. Delia Marchick)