Corporal Ronald Peebles, left, a motor transport operator

Corporal Ronald Peebles, left, a motor transport operator with Headquarters Battery, 5th Battalion, 11th Marine Regiment, from Waikiki, Hawaii, prepares to throw an M-69 practice grenade during a hand grenade training exercise aboard Marine Corps Base Camp Pendleton, Calif., Nov. 18, 2014. The event helped Marines of 5/11 refresh their basic combat skills and maintain their combat mindsets.