Airman 1st Class Zach Hamlette, 36th Civil Engineer Squadron fire protection crew chief, hits a weight during the annual Guam Fire Muster competition March 5, 2016, in Hagåtña, Guam. Hamlette used a sledgehammer to hit a weight across a Keiser sled, which is used to train firefighters on how to use axes for forced entry and ventilation on roofs and floors. (U.S. Air Force photo/Staff Sgt. Benjamin Gonsier)