Marine Corps Sgt. Micah Steven McMackins, left, prepares to throw an M69 practice grenade during Exercise Eagle Wrath 2016 at Combined Arms Training Center Camp Fuji, Japan, July 11, 2016. McMackins is an aircraft rescue and firefighting specialist assigned to Headquarters Squadron. The exercise focuses on reinforcing skills that Marines learned throughout their military occupational specialty schooling and Marine combat training. Marine Corps photo by Lance Cpl. Aaron Henson