Marine candidates with 2nd Battalion, 8th Marine Regiment, halt during a patrol as part of the Scout Sniper Platoon screening at Marine Corps Base Camp Lejeune, North Carolina, Oct. 23, 2015. The exercise required candidates to move to an extraction point while evading the enemy. - Marine candidates with 2nd Battalion, 8th Marine Regiment, halt during a patrol as part of the Scout Sniper Platoon screening at Marine Corps Base Camp Lejeune, North Carolina, Oct. 23, 2015. The exercise required candidates to move to an extraction point while evading the enemy.

Pfc. Douglas Masters, a mortar man with 2nd Battalion, 8th Marine Regiment, calibrates his compass by reading a predetermined azimuth before a land navigation course in preparation for the scout sniper platoon screener, Oct. 14, 2015, at Marine Corps Base Camp Lejeune, N.C. More than 15 Marines with the battalion are taking part in the course to prepare themselves for the scout sniper platoon screener. - Pfc. Douglas Masters, a mortar man with 2nd Battalion, 8th Marine Regiment, calibrates his compass by reading a predetermined azimuth before a land navigation course in preparation for the scout sniper platoon screener, Oct. 14, 2015, at Marine Corps Base Camp Lejeune, N.C. More than 15 Marines with the battalion are taking part in the course to prepare themselves for the scout sniper platoon screener.

U.S. Marine Corps Cpl. Josh J. Neahusan, right, applies camouflage paint during a sniper training exchange exercise between Marines of the Republic of Korea and the U.S. at Baengnyeongdo, Republic of Korea, Sept. 11, 2015. Marines from both countries exchanged weapon systems, methods of concealment, and capabilities throughout the training. The exercise was part of Korean Marine Exchange Program 15-13, a bilateral training exercise that enhances the ROK and U.S. alliance, promotes stability on the Korean Peninsula, and strengthens ROK and U.S. military capabilities. Neahusan, from Middletown, Maryland, is a scout sniper attached to Echo Company, 2nd Battalion, 3rd Marine Regiment, currently assigned to 4th Marine Regiment, 3rd Marine Division, III Marine Expeditionary Force, under the unit deployment program. The ROK Marines are with 6th Force Recon Company, 6th Brigade, 2nd ROK Marine Corps Division. - U.S. Marine Corps Cpl. Josh J. Neahusan, right, applies camouflage paint during a sniper training exchange exercise between Marines of the Republic of Korea and the U.S. at Baengnyeongdo, Republic of Korea, Sept. 11, 2015. Marines from both countries exchanged weapon systems, methods of concealment, and capabilities throughout the training. The exercise was part of Korean Marine Exchange Program 15-13, a bilateral training exercise that enhances the ROK and U.S. alliance, promotes stability on the Korean Peninsula, and strengthens ROK and U.S. military capabilities. Neahusan, from Middletown, Maryland, is a scout sniper attached to Echo Company, 2nd Battalion, 3rd Marine Regiment, currently assigned to 4th Marine Regiment, 3rd Marine Division, III Marine Expeditionary Force, under the unit deployment program. The ROK Marines are with 6th Force Recon Company, 6th Brigade, 2nd ROK Marine Corps Division.