A Marine with 2nd Battalion, 8th Marine Regiment throws an M69 training grenade at a grenade range during a deployment for training exercise at Fort A.P. Hill, V.A., Dec. 1, 2017. The range consisted of the Marines reacting to enemy contact, buddy rushing, using M69 training grenades and M67 fragmentation grenades. The Marines are conducting the DFT to maintain proficiency at the squad, platoon, company, and battalion-level of warfighting in preparation for an upcoming deployment to Japan. (U.S. Marine Corps photo by Lance Cpl. Ashley McLaughlin) - A Marine with 2nd Battalion, 8th Marine Regiment throws an M69 training grenade at a grenade range during a deployment for training exercise at Fort A.P. Hill, V.A., Dec. 1, 2017. The range consisted of the Marines reacting to enemy contact, buddy rushing, using M69 training grenades and M67 fragmentation grenades. The Marines are conducting the DFT to maintain proficiency at the squad, platoon, company, and battalion-level of warfighting in preparation for an upcoming deployment to Japan. (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) - 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 load an M1A1 Abrams tank onto a seven-bay raft system during exercise Iron Wolf at Camp Lejeune, N.C., July 10, 2017. Exercise Iron Wolf is one of the largest exercises conducted this year at Camp Lejeune, integrating 16 different units from II Marine Expeditionary Force to train for realistic scenarios. The Marines are with 8th Engineer Support Battalion and 2nd Tank Battalion. (U.S. Marine Corps photo by Cpl. Luke Hoogendam) - Marines load an M1A1 Abrams tank onto a seven-bay raft system during exercise Iron Wolf at Camp Lejeune, N.C., July 10, 2017. Exercise Iron Wolf is one of the largest exercises conducted this year at Camp Lejeune, integrating 16 different units from II Marine Expeditionary Force to train for realistic scenarios. The Marines are with 8th Engineer Support Battalion and 2nd Tank Battalion. (U.S. Marine Corps photo by Cpl. Luke Hoogendam)

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)

Marines with 2nd Battalion, 2nd Marine Regiment learn how to make adjustments on the 61mm mortar system at a live-fire range aboard Camp Lejeune, N.C., June 25, 2015. The exercise allowed Marines new to the unit to gain knowledge and experience with both 61mm and 80 mm mortal systems. (U.S. Marine Corps photo by Cpl. Michael Dye/Released) - Marines with 2nd Battalion, 2nd Marine Regiment learn how to make adjustments on the 61mm mortar system at a live-fire range aboard Camp Lejeune, N.C., June 25, 2015. The exercise allowed Marines new to the unit to gain knowledge and experience with both 61mm and 80 mm mortal systems. (U.S. Marine Corps photo by Cpl. Michael Dye/Released)

Marines with Delta Company, 2nd Tank Battalion, fires their new multi-purpose high explosive round during a range here, Oct. 10, 2013. The Marines of the battalion have been in Afghanistan since July supporting the infantry. - Marines with Delta Company, 2nd Tank Battalion, fires their new multi-purpose high explosive round during a range here, Oct. 10, 2013. The Marines of the battalion have been in Afghanistan since July supporting the infantry.

JoAnn Lyles (left) accepts the Navy Cross Medal from Secretary of the Navy Donald Winter (right) on behalf of Lance Cpl. Jordan Haerter, during a Navy Cross ceremony at the Museum of the Marine Corps, Feb. 20. “Jonathan and Jordan were shining examples of the finest of America’s next generation,” Winter said. “When faced with danger they had no time to go to their chain of command and no time to assess the situation, they were forced to rely on their discipline and their training.” - JoAnn Lyles (left) accepts the Navy Cross Medal from Secretary of the Navy Donald Winter (right) on behalf of Lance Cpl. Jordan Haerter, during a Navy Cross ceremony at the Museum of the Marine Corps, Feb. 20. “Jonathan and Jordan were shining examples of the finest of America’s next generation,” Winter said. “When faced with danger they had no time to go to their chain of command and no time to assess the situation, they were forced to rely on their discipline and their training.”