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)

A Marine with 2nd Light Armored Reconnaissance Battalion, conceals himself after contact with the enemy during a patrolling exercise at Camp Lejeune, N.C., Dec 15, 2015. The unit practiced patrolling techniques and set up patrol bases to maintain readiness. (U.S. Marine Corps photo by Lance Cpl. Brianna Gaudi/Released) - A Marine with 2nd Light Armored Reconnaissance Battalion, conceals himself after contact with the enemy during a patrolling exercise at Camp Lejeune, N.C., Dec 15, 2015. The unit practiced patrolling techniques and set up patrol bases to maintain readiness. (U.S. Marine Corps photo by Lance Cpl. Brianna Gaudi/Released)