U.S. Marine Corps Master Sgt. Marcos Martinez, expeditionary fire rescue staff noncommissioned officer in charge with Marine Wing Support Squadron (MWSS) 171, right, poses for a photo with his opponent during the Duamau Tournament, a jiu jitsu competition at the TK Training Center in Hiroshima, Japan, Feb. 5, 2017. Jiu jitsu is a sport that teaches competitors to respect their opponents and build on the differences. Martinez trains among other Marines at the Iron Works North gym on Marine Corps Air Station Iwakuni. (U.S. Marine Corps photo by Lance Cpl. Joseph Abrego) - U.S. Marine Corps Master Sgt. Marcos Martinez, expeditionary fire rescue staff noncommissioned officer in charge with Marine Wing Support Squadron (MWSS) 171, right, poses for a photo with his opponent during the Duamau Tournament, a jiu jitsu competition at the TK Training Center in Hiroshima, Japan, Feb. 5, 2017. Jiu jitsu is a sport that teaches competitors to respect their opponents and build on the differences. Martinez trains among other Marines at the Iron Works North gym on Marine Corps Air Station Iwakuni. (U.S. Marine Corps photo by Lance Cpl. Joseph Abrego)