U.S. Marine Corps Gunnery Sgt. Shamar K. Underwood, standing, the administration chief for Marine Fighter Attack Squadron (VMFA) 23, Marine Aircraft Group 12, III Marine Expeditionary Force, speaks to Marine Corps Junior Reserve Officers Training Corps cadets during a visit to Okkodo High School in Dededo, Guam, Dec. 5, 2013. Underwood was in Guam supporting Forager Fury II, a U.S. Marine Corps exercise designed to practice and test Marine aviation deployment and operational skills in an austere environment on the islands of Guam and Tinian.