U.S. Marine Gunnery Sgt. Frank Denault, the chief instructor for Infantry Unit Leader Course, Advanced Infantry Training Battalion, School of Infantry - West, poses for a studio portrait in 22 Area on Marine Corps Base Camp Pendleton, California, Aug. 5, 2020. Denault earned his Purple Heart for events that occurred in Sangin, Afghanistan, November 2010. Denault is a native of Kankakee, Illinois. (U.S. Marine Corps photo illustration by Lance Cpl. Alison Dostie) - U.S. Marine Gunnery Sgt. Frank Denault, the chief instructor for Infantry Unit Leader Course, Advanced Infantry Training Battalion, School of Infantry - West, poses for a studio portrait in 22 Area on Marine Corps Base Camp Pendleton, California, Aug. 5, 2020. Denault earned his Purple Heart for events that occurred in Sangin, Afghanistan, November 2010. Denault is a native of Kankakee, Illinois. (U.S. Marine Corps photo illustration by Lance Cpl. Alison Dostie)