Staff Sgt. Benjamin Hay, 644th Combat Communications Squadron power production craftsman, conducts CPR in order to save Capt. Miguel Gonzalez, 644 CBCS exercise site commander, from a simulated heart attack, Andersen Air Force Base, Guam, April 21, 2012 at forward operating base Dragon Hill. FOB Dragon Hill is the location for Dragon Thunder, an exercise where the 644 CBCS train and test their capabilities in a bare-base environment. (U.S. Air Force photo by Airman 1st Class Marianique Santos)