U.S. Marine Gunnery Sgt. Frank Denault, the chief instructor for Infantry Unit Leader Course, Advanced Infantry Training Battalion, School of Infantry - West, watches over Marines during a training event on Range 407B, Marine Corps Base Camp Pendleton, California, June 25, 2020. Denault uses his experiences to teach future and current infantry leaders. Denault is a native of Kankakee, Illinois. (U.S. Marine Corps photo 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, watches over Marines during a training event on Range 407B, Marine Corps Base Camp Pendleton, California, June 25, 2020. Denault uses his experiences to teach future and current infantry leaders. Denault is a native of Kankakee, Illinois. (U.S. Marine Corps photo by Lance Cpl. Alison Dostie)