An M69 practice grenade detonates as part of a grenade

An M69 practice grenade detonates as part of a grenade training range during exercise Eagle Wrath 2016 at Combined Arms Training Center Camp Fuji, Japan, July 11, 2016. Marine Wing Support Squadron (MWSS) 171 stationed at Marine Corps Air Station Iwakuni, plans to complete their unit annual training requirements throughout three stages, which focus on air base ground defense and Marine Corps common skills that Marines are unable to train for locally. During the first stage, called the ‘personal and crew served weapon’ stage, Marines practice the employment of M4A1 Carbines, M16A4 service rifles, M203 grenade launchers, AT-4 rocket launchers, M2 .50-caliber heavy-machine guns, M240 bravo light-machine guns and M249 squad automatic weapons. The Marines will implement some of these weapons while conducting table three rifle qualifications, a fire team employment exercise, squad patrolling practice, and machine gun employment and familiarization training. (U.S. Marine Corps photo by Lance Cpl. Aaron Henson/Released)