A Marine with 2nd Reconnaissance Battalion focuses downrange through the optic of an M249 light machine gun in a supported firing position during a live-fire range at Fort Stewart, Ga., Dec. 12, 2017. The Marines practiced different shooting drills and used fire and maneuver, as well as supportive fire positions to sharpen their marksmanship and ability to work cohesively with their squads. The range was part of a pre-deployment training exercise designed to prepare the Recon Marines for future operations. (U.S. Marine Corps photo by Lance Cpl. Taylor W. Cooper) - A Marine with 2nd Reconnaissance Battalion focuses downrange through the optic of an M249 light machine gun in a supported firing position during a live-fire range at Fort Stewart, Ga., Dec. 12, 2017. The Marines practiced different shooting drills and used fire and maneuver, as well as supportive fire positions to sharpen their marksmanship and ability to work cohesively with their squads. The range was part of a pre-deployment training exercise designed to prepare the Recon Marines for future operations. (U.S. Marine Corps photo by Lance Cpl. Taylor W. Cooper)

An Afghan Air Force tactical air controller scouts notional targets for MD-530 helicopters during an ATAC training exercise at Camp Shorabak, Afghanistan, Dec. 18, 2017. Several ATACs worked to enhance their aircraft directing skills with assistance from coalition advisors in preparation for future operations in Helmand province. Tactical air controllers often travel with ground force elements on the battlefield to direct airstrikes onto Taliban targets, allowing for better maneuver and safety of Afghan forces. (U.S. Marine Corps photo by Sgt. Lucas Hopkins) - An Afghan Air Force tactical air controller scouts notional targets for MD-530 helicopters during an ATAC training exercise at Camp Shorabak, Afghanistan, Dec. 18, 2017. Several ATACs worked to enhance their aircraft directing skills with assistance from coalition advisors in preparation for future operations in Helmand province. Tactical air controllers often travel with ground force elements on the battlefield to direct airstrikes onto Taliban targets, allowing for better maneuver and safety of Afghan forces. (U.S. Marine Corps photo by Sgt. Lucas Hopkins)

Charging forward: 1/2 assaults the objective, completes live-fire range - Lance Cpl. Kevin Perez, an automatic rifleman with Alpha Company, 1st Battalion, 2nd Marine Regiment provides suppressive fire during a live-fire range at Camp Lejeune, N.C., Dec. 13, 2017. During the training, a fire team of Marines exited the tree line and began providing suppressive fire on their objective while the rest of the squad dispersed to take on the target. The Marines then traversed through an open field where they bounded to secure their objective. (U.S. Marine Corps photo by Cpl. Aaron Henson)

Marines with 2nd Transportation Support Battalion, 2nd Marine Logistics Group came together to compete during the 2nd annual Commander’s Cup competition at Camp Lejeune, North Carolina, Dec. 1, 2017. - Marines with 2nd Transportation Support Battalion, 2nd Marine Logistics Group compete in a Tug o’ War match during 2nd TSB’s Commander’s Cup 2017 at Camp Lejeune, N.C., Dec. 1, 2017. The competition included an obstacle course, assembly and disassembly of the M240B medium machine gun, maneuver under fire course, tire flip relay race, log tossing, Tug o’ War and pugil stick battle. The Marines improved their physical fitness and strengthening their unit. (U.S. Marine Corps photo by Lance Cpl. Abrey D. Liggins)

The Afghan National Army 215th Corps color guard marches the Afghan national colors past Helmand province and Afghan National Defense and Security Force key leaders during a graduation ceremony at Camp Shorabak, Afghanistan, Dec. 3, 2017. The ceremony marked the end of the 6th Kandak, 1st Brigade 215th Corps’ operational readiness cycle, an eight-week course led by Afghan instructors at the Helmand Regional Military Training Center. Approximately 350 soldiers with the unit trained to enhance their infantry capabilities and will support Afghan National Defense and Security Force combat operations throughout the province. (U.S. Marine Corps photo by Lucas Hopkins) - The Afghan National Army 215th Corps color guard marches the Afghan national colors past Helmand province and Afghan National Defense and Security Force key leaders during a graduation ceremony at Camp Shorabak, Afghanistan, Dec. 3, 2017. The ceremony marked the end of the 6th Kandak, 1st Brigade 215th Corps’ operational readiness cycle, an eight-week course led by Afghan instructors at the Helmand Regional Military Training Center. Approximately 350 soldiers with the unit trained to enhance their infantry capabilities and will support Afghan National Defense and Security Force combat operations throughout the province. (U.S. Marine Corps photo by Lucas Hopkins)

A Marine with 1st Battalion, 2nd Marine Regiment posts security during a military operations on urbanized terrain exercise at Marine Corps Base Camp Lejeune, N.C., Nov. 21, 2017. The Marines conducted MOUT training to maintain combat readiness. (U.S. Marine Corps photo by Lance Cpl. Ashley McLaughlin) - A Marine with 1st Battalion, 2nd Marine Regiment posts security during a military operations on urbanized terrain exercise at Marine Corps Base Camp Lejeune, N.C., Nov. 21, 2017. The Marines conducted MOUT training to maintain combat readiness. (U.S. Marine Corps photo by Lance Cpl. Ashley McLaughlin)

Sgt. Timothy Buntting, an infantry squad leader with 3rd Battalion, 8th Marine Regiment, talks to artillery Marines from 2nd Battalion, 10th Marine Regiment about their performance during a training patrol at Camp Lejeune, N.C., Nov. 14, 2017. The infantry Marines taught the artillerymen advanced patrolling tactics in preparation for their upcoming deployment. (U.S. Marine Corps photo by Lance Cpl. Ashley McLaughlin) - Sgt. Timothy Buntting, an infantry squad leader with 3rd Battalion, 8th Marine Regiment, talks to artillery Marines from 2nd Battalion, 10th Marine Regiment about their performance during a training patrol at Camp Lejeune, N.C., Nov. 14, 2017. The infantry Marines taught the artillerymen advanced patrolling tactics in preparation for their upcoming deployment. (U.S. Marine Corps photo by Lance Cpl. Ashley McLaughlin)

Afghan National Army soldiers with 6th Kandak, 1st Brigade, 215th Corps insert notionally wounded soldiers into an Mi-17 helicopter during casualty evacuation training at Camp Shorabak, Afghanistan, Nov. 19, 2017. The Helmand Regional Military Training Center implemented its first iteration of CASEVAC training using Afghan air assets as part of the operational readiness cycle to help prepare its students for real-world missions. U.S. advisors assigned to various train, advise, assist commands from throughout Afghanistan observed the training in preparation for integrating standardized CASEVAC rehearsals into their unit’s ORCs. (U.S. Marine Corps photo by Sgt. Lucas Hopkins) - Afghan National Army soldiers with 6th Kandak, 1st Brigade, 215th Corps insert notionally wounded soldiers into an Mi-17 helicopter during casualty evacuation training at Camp Shorabak, Afghanistan, Nov. 19, 2017. The Helmand Regional Military Training Center implemented its first iteration of CASEVAC training using Afghan air assets as part of the operational readiness cycle to help prepare its students for real-world missions. U.S. advisors assigned to various train, advise, assist commands from throughout Afghanistan observed the training in preparation for integrating standardized CASEVAC rehearsals into their unit’s ORCs. (U.S. Marine Corps photo by Sgt. Lucas Hopkins)

Afghan National Army Command Sgt. Maj. Roshan, right, the senior enlisted advisor to the President of Afghanistan, offers remarks to U.S. and Afghan military personnel during a warfighter forum at Resolute Support Headquarters in Kabul, Afghanistan, Nov. 15, 2017. The warfighter forum was a two-day event bringing together senior enlisted leaders from the Afghan National Defense and Security Forces and their U.S. counterparts to discuss solutions to challenges such as accountability, mortuary affairs and female integration in order to further professionalize the Afghan forces. (U.S. Marine Corps photo by Sgt. Lucas Hopkins) - Afghan National Army Command Sgt. Maj. Roshan, right, the senior enlisted advisor to the President of Afghanistan, offers remarks to U.S. and Afghan military personnel during a warfighter forum at Resolute Support Headquarters in Kabul, Afghanistan, Nov. 15, 2017. The warfighter forum was a two-day event bringing together senior enlisted leaders from the Afghan National Defense and Security Forces and their U.S. counterparts to discuss solutions to challenges such as accountability, mortuary affairs and female integration in order to further professionalize the Afghan forces. (U.S. Marine Corps photo by Sgt. Lucas Hopkins)

U.S. Marine Brig. Gen. Roger Turner, left, the commanding general of Task Force Southwest, greets Col. Kareem, the Provincial Headquarters G-2, during a key leader engagement at Bost Airfield, Afghanistan, Oct. 15, 2017. Task Force Southwest Marines are assisting their Afghan National Defense and Security Force Counterparts throughout Operation Maiwand Seven through battle tracking and close air support. The mission focuses on clearing the Taliban from the Nad’Ali district in order to expand security around the provincial capital Lashkar Gah while also promoting security and stability for the local populace. (U.S. Marine Corps photo by Sgt. Justin T. Updegraff) - U.S. Marine Brig. Gen. Roger Turner, left, the commanding general of Task Force Southwest, greets Col. Kareem, the Provincial Headquarters G-2, during a key leader engagement at Bost Airfield, Afghanistan, Oct. 15, 2017. Task Force Southwest Marines are assisting their Afghan National Defense and Security Force Counterparts throughout Operation Maiwand Seven through battle tracking and close air support. The mission focuses on clearing the Taliban from the Nad’Ali district in order to expand security around the provincial capital Lashkar Gah while also promoting security and stability for the local populace. (U.S. Marine Corps photo by Sgt. Justin T. Updegraff)