A Marine carries a 104lb artillery round for an M777 A2 howitzer during a direct-fire exercise at Camp Lejeune, N.C., Dec. 4, 2017. The M777 provides timely, accurate and continuous indirect fire support, while having the capability to engage targets directly in the event of enemy contact. The Marines are with 1st Battalion 10th Marine Regiment. (U.S. Marine Corps photo by Cpl. Luke Hoogendam) - A Marine carries a 104lb artillery round for an M777 A2 howitzer during a direct-fire exercise at Camp Lejeune, N.C., Dec. 4, 2017. The M777 provides timely, accurate and continuous indirect fire support, while having the capability to engage targets directly in the event of enemy contact. The Marines are with 1st Battalion 10th Marine Regiment. (U.S. Marine Corps photo by Cpl. Luke Hoogendam)

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 pulls a cord to fire a 120-mm mortar as part of Exercise Bold Alligator at Camp Lejeune, N.C. Oct. 23, 2017. Bold Alligator is designed to showcase the capabilities of the Navy-Marine Corps team, and demonstrate our cohesion with allied nations. The U.S. Marines and British troops gained camaraderie through integrated training, allowing them to familiarize themselves with each other’s capabilities. (U.S. Marine Corps Photo by Pfc. Nicholas Guevara) - A Marine pulls a cord to fire a 120-mm mortar as part of Exercise Bold Alligator at Camp Lejeune, N.C. Oct. 23, 2017. Bold Alligator is designed to showcase the capabilities of the Navy-Marine Corps team, and demonstrate our cohesion with allied nations. The U.S. Marines and British troops gained camaraderie through integrated training, allowing them to familiarize themselves with each other’s capabilities. (U.S. Marine Corps Photo by Pfc. Nicholas Guevara)

A Marine prepares to load the charge into an M777A2 Howitzer during a live-fire range at Camp Lejeune, N.C., July 26, 2017. The purpose of this field operation is to test and improve the unit’s capabilities by putting the Marines into a simulated combat environment. The Marine is with 1st Battalion, 10th Marine Regiment. (U.S. Marine Corps photo by Lance Cpl. Holly Pernell) - A Marine prepares to load the charge into an M777A2 Howitzer during a live-fire range at Camp Lejeune, N.C., July 26, 2017. The purpose of this field operation is to test and improve the unit’s capabilities by putting the Marines into a simulated combat environment. The Marine is with 1st Battalion, 10th Marine Regiment. (U.S. Marine Corps photo by Lance Cpl. Holly Pernell)

Marines with Golf Battery, 2nd Battalion, 10th Marine Regiment, 2nd Marine Division, fire an M-327 120mm towed rifled mortar expeditionary fire support system for training during the field operation Rolling Thunder aboard Fort Bragg, N.C., May 8, 2014. During this training, the Marines worked with Marines from 2nd Assault Amphibian Battalion, 2nd Marine Division in order to become more technically and tactically proficient in the utilization of their assault amphibious vehicles. - Marines with Golf Battery, 2nd Battalion, 10th Marine Regiment, 2nd Marine Division, fire an M-327 120mm towed rifled mortar expeditionary fire support system for training during the field operation Rolling Thunder aboard Fort Bragg, N.C., May 8, 2014. During this training, the Marines worked with Marines from 2nd Assault Amphibian Battalion, 2nd Marine Division in order to become more technically and tactically proficient in the utilization of their assault amphibious vehicles.

Marines from 1st Battalion, 10th Marine Regiment (left), 2nd Marine Division, and Headquarters Battery, 10th Marine Regiment (right), cross an obstacle during the Engineer’s Challenge Obstacle course. The event was part of the first 10th Marines’ Kings’ Games, a regiment-wide competition to build camaraderie throughout 10th Marines. The team from 1st Bn., 10th Marines, defeated Headquarters Battery during the obstacle course. (Official U.S. Marine Corps photo by Cpl. Tommy Bellegarde) - Marines from 1st Battalion, 10th Marine Regiment (left), 2nd Marine Division, and Headquarters Battery, 10th Marine Regiment (right), cross an obstacle during the Engineer’s Challenge Obstacle course. The event was part of the first 10th Marines’ Kings’ Games, a regiment-wide competition to build camaraderie throughout 10th Marines. The team from 1st Bn., 10th Marines, defeated Headquarters Battery during the obstacle course. (Official U.S. Marine Corps photo by Cpl. Tommy Bellegarde)

Marines from 3rd Battalion, 10th Marine Regiment, 2nd Marine Division, fire the M777A2 lightweight 155mm Howitzer cannon during a five-day battalion-sized training operation here, Feb. 2 - 6. One of the highlights for the Marines during the training was re-familiarizing themselves with the M777A2 and blasting off live rounds. - Marines from 3rd Battalion, 10th Marine Regiment, 2nd Marine Division, fire the M777A2 lightweight 155mm Howitzer cannon during a five-day battalion-sized training operation here, Feb. 2 - 6. One of the highlights for the Marines during the training was re-familiarizing themselves with the M777A2 and blasting off live rounds.