Sgt. Timothy Buntting, an infantry squad leader with 3rd Battalion, 8th Marine Regiment, talks to artillery Marines from 2nd Battalion, 10th Marine Regiment about their performance during a training patrol at Camp Lejeune, N.C., Nov. 14, 2017. The infantry Marines taught the artillerymen advanced patrolling tactics in preparation for their upcoming deployment. (U.S. Marine Corps photo by Lance Cpl. Ashley McLaughlin) - Sgt. Timothy Buntting, an infantry squad leader with 3rd Battalion, 8th Marine Regiment, talks to artillery Marines from 2nd Battalion, 10th Marine Regiment about their performance during a training patrol at Camp Lejeune, N.C., Nov. 14, 2017. The infantry Marines taught the artillerymen advanced patrolling tactics in preparation for their upcoming deployment. (U.S. Marine Corps photo by Lance Cpl. Ashley McLaughlin)

Marines attempt to locate a notional target during a company attack exercise at Fort A.P. Hill, Va., May 1, 2017. The Marines conducted a live-fire exercise that helped improve their leadership and teamwork abilities. The Marines are with G Company, 2nd Battalion, 2nd Marine Regiment. (U.S. Marine Corps photo by Pfc. Abrey D. Liggins) - Marines attempt to locate a notional target during a company attack exercise at Fort A.P. Hill, Va., May 1, 2017. The Marines conducted a live-fire exercise that helped improve their leadership and teamwork abilities. The Marines are with G Company, 2nd Battalion, 2nd Marine Regiment. (U.S. Marine Corps photo by Pfc. Abrey D. Liggins)