Pfc. Adam J. Wiscombe, a rifleman with Kilo Company, 3rd Battalion, 8th Marine Regiment, rushes down range during a fire-team attack exercise as part of the battalion field exercise at Marine Corps Base Camp Lejeune, North Carolina, April 26, 2016. The FEX, now in the final week of operations, previously tested Marines on basic infantry fundamentals such as patrolling and land navigation. - Pfc. Adam J. Wiscombe, a rifleman with Kilo Company, 3rd Battalion, 8th Marine Regiment, rushes down range during a fire-team attack exercise as part of the battalion field exercise at Marine Corps Base Camp Lejeune, North Carolina, April 26, 2016. The FEX, now in the final week of operations, previously tested Marines on basic infantry fundamentals such as patrolling and land navigation.

A Marine with 3rd Battalion, 6th Marine Regiment advances down range during a battalion exercise at Marine Corps Base Camp Lejeune, N.C., Dec. 10, 2015. The battalion-wide exercise reinforced basic infantry skills and brought junior Marines up to optimal operability across the companies. - A Marine with 3rd Battalion, 6th Marine Regiment advances down range during a battalion exercise at Marine Corps Base Camp Lejeune, N.C., Dec. 10, 2015. The battalion-wide exercise reinforced basic infantry skills and brought junior Marines up to optimal operability across the companies.