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.

Marines with 8th Engineer Support Battalion, 2nd Marine Logistics Group fire at targets over 300 meters away with the M2 .50-caliber machine gun during a live-fire training exercise at a multipurpose machine gun range at Marine Corps Base Camp Lejeune, North Carolina, April 14, 2015. The hard work, time and effort put into the training helps the Marine Corps maintain mission readiness consistently by providing Marines with knowledge and experience, and strengthens their ability to work effectively in real situations by maintaining unit cohesion, said Bradley Marsh, an 8th ESB motor transportation Marine. - Marines with 8th Engineer Support Battalion, 2nd Marine Logistics Group fire at targets over 300 meters away with the M2 .50-caliber machine gun during a live-fire training exercise at a multipurpose machine gun range at Marine Corps Base Camp Lejeune, North Carolina, April 14, 2015. The hard work, time and effort put into the training helps the Marine Corps maintain mission readiness consistently by providing Marines with knowledge and experience, and strengthens their ability to work effectively in real situations by maintaining unit cohesion, said Bradley Marsh, an 8th ESB motor transportation Marine.

A Marine with 2nd Combat Engineer Battalion shoots the M2 .50-caliber heavy machine gun at targets placed at unknown distances at range SR-7 aboard Camp Lejeune, N.C., April 7, 2015. Approximately 30 Marines from the battalion conducted a two-day, machine-gun range in which they shot the M249 Squad Automatic Weapon, M240 Bravo medium machine gun, and the .50-caliber heavy machine gun from both the mounted and un-mounted positions at targets placed at unknown distances. - A Marine with 2nd Combat Engineer Battalion shoots the M2 .50-caliber heavy machine gun at targets placed at unknown distances at range SR-7 aboard Camp Lejeune, N.C., April 7, 2015. Approximately 30 Marines from the battalion conducted a two-day, machine-gun range in which they shot the M249 Squad Automatic Weapon, M240 Bravo medium machine gun, and the .50-caliber heavy machine gun from both the mounted and un-mounted positions at targets placed at unknown distances.

A Marine with 2nd Intelligence Battalion fires an M1014 Joint Service Combat Shotgun during a live-fire range aboard Marine Corps Base Camp Lejeune, N.C., April 2, 2015. Marines conducted the range to familiarize themselves with the weapon system as well as bolster their confidence in employing it. - A Marine with 2nd Intelligence Battalion fires an M1014 Joint Service Combat Shotgun during a live-fire range aboard Marine Corps Base Camp Lejeune, N.C., April 2, 2015. Marines conducted the range to familiarize themselves with the weapon system as well as bolster their confidence in employing it.

Private First Class Nathan Culver, an engineer equipment mechanic with Engineer Support Company, 8th Engineer Support Battalion, removes the safety pins from an M67 fragmentation grenade in preparation to throw it aboard Camp Lejeune, N.C., March 27, 2015. The training ensured junior Marines still remembered how to handle a live grenade, and also served as a refresher for more seasoned Marines who haven’t used these skills in quite some time. - Private First Class Nathan Culver, an engineer equipment mechanic with Engineer Support Company, 8th Engineer Support Battalion, removes the safety pins from an M67 fragmentation grenade in preparation to throw it aboard Camp Lejeune, N.C., March 27, 2015. The training ensured junior Marines still remembered how to handle a live grenade, and also served as a refresher for more seasoned Marines who haven’t used these skills in quite some time.

U.S. Marines shoot their M16 rifles during a live-fire exercise Feb. 4 on the flight deck of the USS Bonhomme Richard. Each Marine fired 30 rounds during multiple drills. The Marines are with Combat Logistics Battalion 31, 31st Marine Expeditionary Unit, and are currently underway as part of the regularly scheduled Spring Patrol of the Asia-Pacific region. (U.S. Marine Corps photo by Lance Cpl. Ryan C. Mains/Released) - U.S. Marines shoot their M16 rifles during a live-fire exercise Feb. 4 on the flight deck of the USS Bonhomme Richard. Each Marine fired 30 rounds during multiple drills. The Marines are with Combat Logistics Battalion 31, 31st Marine Expeditionary Unit, and are currently underway as part of the regularly scheduled Spring Patrol of the Asia-Pacific region. (U.S. Marine Corps photo by Lance Cpl. Ryan C. Mains/Released)

Pfc. William Baker, a prospect for the Special Reaction Team, holds a shield during close-quarters battle training Jan. 8 at Camp Hansen. Baker is a San Antonio, Texas, native. The special reaction team is with the Provost Marshal’s Office, Marine Corps Installations Pacific-Marine Corps Base Camp Butler, Japan. The team is the military equivalent of Special Weapons and Tactics teams. - Pfc. William Baker, a prospect for the Special Reaction Team, holds a shield during close-quarters battle training Jan. 8 at Camp Hansen. Baker is a San Antonio, Texas, native. The special reaction team is with the Provost Marshal’s Office, Marine Corps Installations Pacific-Marine Corps Base Camp Butler, Japan. The team is the military equivalent of Special Weapons and Tactics teams.

Marines with Charlie Company, 2nd Assault Amphibian Battalion, 2nd Marine Division, shoot at pop-up targets during a course of fire aboard Fort A.P. Hill, Va., Sept. 2, 2014. The Marines spent the entire day shooting an unknown distance range with the M4 Carbine and the M249 squad automatic weapon to better themselves at estimating distances and eliminating a target. - Marines with Charlie Company, 2nd Assault Amphibian Battalion, 2nd Marine Division, shoot at pop-up targets during a course of fire aboard Fort A.P. Hill, Virginia, Sept. 2, 2014. The Marines spent the entire day shooting an unknown distance range with the M4 Carbine and the M249 squad automatic weapon to better themselves at estimating distances and eliminating a target.

A non-lethal weapons instructor sprays a Marine with Black Sea Rotational Force 14 with Oleoresin Capsicum spray during a non-lethal weapons course on Mihail Kogalniceanu Air Base, Romania, Sept. 3. Marines receive their non-lethal weapons certifications to better share the responsible and effective employment of these tactics during theater security cooperation events with their Eastern European partners. (U.S. Marine Corps photo by Lance Cpl. Ryan Young/released) - A non-lethal weapons instructor sprays a Marine with Black Sea Rotational Force 14 with Oleoresin Capsicum spray during a non-lethal weapons course on Mihail Kogalniceanu Air Base, Romania, Sept. 3. Marines receive their non-lethal weapons certifications to better share the responsible and effective employment of these tactics during theater security cooperation events with their Eastern European partners. (U.S. Marine Corps photo by Lance Cpl. Ryan Young/released)