Second Lt. Matthew Hunter, health service administration

Second Lt. Matthew Hunter, health service administration officer, native of Ewa Beach, Hawaii, assigned to Headquarters and Headquarters Battery, 6th Battalion, 37th Field Artillery Regiment, 210th Field Artillery Brigade, throws a rock simulating a hand grenade to clear obstacles as part of the Expert Field Medical Badge (EFMB) testing May 20, 2019, Rodriguez Live Fire Complex, South Korea. The EFMB test measures the individual medical Soldier's physical fitness, mental toughness, and ability to perform a broad spectrum of critical medical and Soldier skills. (U.S. Army Photo by Sgt. Osvaldo Martinez )