Marines prepare to breach an entrance during a Basic Urban Skills Training course at a Military Operations on Urbanized Terrain event at Camp Lejeune, N.C., April 5, 2017. The Marines participated in the training to learn and reinforce infantry skills as a predeployment work up. The Marines are with 2nd Light Armored Reconnaissance Battalion, Bravo Company, 2nd Marine Division. (U.S. Marine Corps photo by Pfc. Abrey D. Liggins) - Marines prepare to breach an entrance during a Basic Urban Skills Training course at a Military Operations on Urbanized Terrain event at Camp Lejeune, N.C., April 5, 2017. The Marines participated in the training to learn and reinforce infantry skills as a predeployment work up. The Marines are with 2nd Light Armored Reconnaissance Battalion, Bravo Company, 2nd Marine Division. (U.S. Marine Corps photo by Pfc. Abrey D. Liggins)

Army Sgt. 1st Class Russell Zink, a physical fitness and nutrition instructor with the 360 training team, instructs Marine sergeants and above within 2nd Marine Division about proper running technique to avoid injuries and maximize efficiency while exercising during a class at the USO in Jacksonville, N.C., Dec. 4, 2013. The week-long Marine 360 Leaders’ Course covered everything form proper physical fitness to dealing with stress after returning from a deployment to help develop leaders within the Marine Corps. - Army Sgt. 1st Class Russell Zink, a physical fitness and nutrition instructor with the 360 training team, instructs Marine sergeants and above within 2nd Marine Division about proper running technique to avoid injuries and maximize efficiency while exercising during a class at the USO in Jacksonville, N.C., Dec. 4, 2013. The week-long Marine 360 Leaders’ Course covered everything form proper physical fitness to dealing with stress after returning from a deployment to help develop leaders within the Marine Corps.

Corporal Trevor L. Jones, an amphibious assault vehicle crewman with 2nd Assault Amphibian Battalion, 2nd Marine Division, holds the guide-on after the corporal’s course motivational hike Sept. 26, 2013 aboard Marine Corps Base Camp Lejeune. A total of 54 corporals started the course and graduated Sept. 27, 2013. - Corporal Trevor L. Jones, an amphibious assault vehicle crewman with 2nd Assault Amphibian Battalion, 2nd Marine Division, holds the guide-on after the corporal’s course motivational hike Sept. 26, 2013 aboard Marine Corps Base Camp Lejeune. A total of 54 corporals started the course and graduated Sept. 27, 2013.