Gunnery Sgt. Shamus Flynn, combat instructor trainer,

Gunnery Sgt. Shamus Flynn, combat instructor trainer, School of Infantry-West, gives a safety brief to Marines and civilians at the School of Infantry Live-Fire Professional Military Education and Match on Marine Corps Base Camp Pendleton, Calif., May 26, 2018. The event introduced Marines and civilians to the history of vintage rifles and Marine Corps history. Flynn competed in the live-fire match to compete against fellow Marines and civilians, and to honor service members who served during the Revolutionary War Era to those who serve today. (U.S. Marine Corps photo by Lance Cpl. Noah Rudash)