Island defenders: Guam guardsmen protect expeditionary base, coalition mission
Staff Sgt. Melquiadez Racho, a patrol team lead with the 407th Expeditionary Security forces Squadron, uses his radio to check in with the base defense operations center May 13, 2017, in Southwest Asia. During patrols, security forces defenders perform safety and welfare checks across base and check base fence lines and perimeters for anomalies. Racho is a traditional guardsman deployed from the 254th Security Forces Squadron at Andersen Air Force Base, Guam. (U.S. Air Force photo/Staff Sgt. Alexander W. Riedel)