A Marine student undergoing the 2nd Marine Division Combat Skills Center Pre-Scout Sniper Course sights in on a target with a M40A5 sniper rifle at Marine Corps Base Camp Lejeune, North Carolina, Jan. 12, 2016. The 2nd Marine Division Combat Skills Center offers several infantry-based courses to enhance the combat readiness of its Marines. - A Marine student undergoing the 2nd Marine Division Combat Skills Center Pre-Scout Sniper Course sights in on a target with a M40A5 sniper rifle at Marine Corps Base Camp Lejeune, North Carolina, Jan. 12, 2016. The 2nd Marine Division Combat Skills Center offers several infantry-based courses to enhance the combat readiness of its Marines.

A Marine with 1st Battalion, 6th Marine Regiment, finds concealment during a training event run by Division Combat Skills Center at Marine Corps Base Camp Lejeune, N.C., Oct. 27, 2015. The support provided by the DCSC enables Division units to focus on higher level task and larger exercise while ensuring that Marines and Sailors receive standardized small unit level training. - A Marine with 1st Battalion, 6th Marine Regiment, finds concealment during a training event run by Division Combat Skills Center at Marine Corps Base Camp Lejeune, N.C., Oct. 27, 2015. The support provided by the DCSC enables Division units to focus on higher level task and larger exercise while ensuring that Marines and Sailors receive standardized small unit level training.

Lance Cpl. Zachary Miller, a motor vehicle operator with 2nd Light Armored Reconnaissance Battalion, 2nd Marine Division function checks a Mk-19 automatic grenade launcher during a Machine Gunners Course at the Division Combat Skills Center aboard Marine Corps Base Camp Lejeune, North Carolina, April 15, 2015. During the course the Marines were trained how to properly disassemble, reassemble and maintain the M249 squad automatic weapon, the M240B machine gun, Browning M2 .50 caliber machine gun and the MK19 automatic grenade launcher. (U.S. Marine Corps photo by Pfc. David N. Hersey/Released) - Lance Cpl. Zachary Miller, a motor vehicle operator with 2nd Light Armored Reconnaissance Battalion, 2nd Marine Division function checks a Mk-19 automatic grenade launcher during a Machine Gunners Course at the Division Combat Skills Center aboard Marine Corps Base Camp Lejeune, North Carolina, April 15, 2015. During the course the Marines were trained how to properly disassemble, reassemble and maintain the M249 squad automatic weapon, the M240B machine gun, Browning M2 .50 caliber machine gun and the MK19 automatic grenade launcher. (U.S. Marine Corps photo by Pfc. David N. Hersey/Released)

Pfc. Kevin J. Oronaponce, a rifleman with 2nd Battalion, 2nd Marine Regiment, applies a tourniquet to a mannequin during the final test for the Combat Trauma Care Course aboard Marine Corps Base Camp Lejeune, North Carolina, April 24, 2015. The mannequins were equipped with a system that allows artificial blood to bleed from various wounds and recorded voices to talk, providing a more realistic experience. (U.S. Marine Corps photo by Pfc. David N. Hersey/Released) - Pfc. Kevin J. Oronaponce, a rifleman with 2nd Battalion, 2nd Marine Regiment, applies a tourniquet to a mannequin during the final test for the Combat Trauma Care Course aboard Marine Corps Base Camp Lejeune, North Carolina, April 24, 2015. The mannequins were equipped with a system that allows artificial blood to bleed from various wounds and recorded voices to talk, providing a more realistic experience. (U.S. Marine Corps photo by Pfc. David N. Hersey/Released)

Two Marines from 3rd Battalion, 8th Marine Regiment, sight in on their targets during a Designated Marksman Course with the Division Combat Skills Center, April 6-17, 2015, aboard Camp Lejeune, N.C. The Marines learned range calls, wind estimation, and other basics of long range marksmanship. - Two Marines from 3rd Battalion, 8th Marine Regiment, sight in on their targets during a Designated Marksman Course with the Division Combat Skills Center, April 6-17, 2015, aboard Camp Lejeune, N.C. The Marines learned range calls, wind estimation, and other basics of long range marksmanship.