A Marine with 1st Battalion, 8th Marine Regiment pauses as he fires during the sniper marksmanship assessment as part of Integrated Training Exercise 1-16 aboard Marine Air Ground Combat Center, Twentynine Palms, Calif., Oct. 24, 2015. During ITX, Marines demonstrate core infantry mission essential tasks while conducting offensive and defensive stability operations. (U.S. Marine Corps photo by Cpl. Immanuel M. Johnson/Released) - A Marine with 1st Battalion, 8th Marine Regiment pauses as he fires during the sniper marksmanship assessment as part of Integrated Training Exercise 1-16 aboard Marine Air Ground Combat Center, Twentynine Palms, Calif., Oct. 24, 2015. During ITX, Marines demonstrate core infantry mission essential tasks while conducting offensive and defensive stability operations. (U.S. Marine Corps photo by Cpl. Immanuel M. Johnson/Released)

A CH-53E Super Stallion with Marine Heavy Helicopter Squadron 366 descends to a secured landing zone during a simulated casualty evacuation at Marine Corps Air Ground Combat Center Twentynine Palms, California, Aug. 10, 2015. The simulation gave Marines with Combat Logistics Battalion 1, Combat Logistics Regiment 1, 1st Marine Logistics Group an opportunity to prepare for casualty response during future operations. - A CH-53E Super Stallion with Marine Heavy Helicopter Squadron 366 descends to a secured landing zone during a simulated casualty evacuation at Marine Corps Air Ground Combat Center Twentynine Palms, California, Aug. 10, 2015. The simulation gave Marines with Combat Logistics Battalion 1, Combat Logistics Regiment 1, 1st Marine Logistics Group an opportunity to prepare for casualty response during future operations.

Marines with 1st Explosive Ordnance Disposal Company, 1st Marine Logistics Group, remove ordnance from a downed UH-1 Huey helicopter during a training exercise at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., where they were tasked with sanitizing a wreckage site of any intelligence or ordnance an enemy force could use to their advantage, June 17, 2015. The Marines of 1st EOD Co. are preparing for an upcoming deployment with Special Purpose Marine Air Ground – Crisis Response – Central Command where they will participate in a fast reaction force role. - Marines with 1st Explosive Ordnance Disposal Company, 1st Marine Logistics Group, remove ordnance from a downed UH-1 Huey helicopter during a training exercise at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., where they were tasked with sanitizing a wreckage site of any intelligence or ordnance an enemy force could use to their advantage, June 17, 2015. The Marines of 1st EOD Co. are preparing for an upcoming deployment with Special Purpose Marine Air Ground – Crisis Response – Central Command where they will participate in a fast reaction force role.

Sgt. Dustin Houghton, mortar man, with Ground Combat Element Integrated Task Force, secures an M252 81mm medium-weight mortar during a Marine Corps Operational Test and Evaluation Activity assessment at Range 107, Marine Corps Air Ground Combat Center Twentynine Palms, California, April 24, 2015. From October 2014 to July 2015, the GCEITF will conduct individual and collective level skills training in designated ground combat arms occupational specialties in order to facilitate the standards-based assessment of the physical performance of Marines in a simulated operating environment performing specific ground combat arms tasks. - Sgt. Dustin Houghton, mortar man, with Ground Combat Element Integrated Task Force, secures an M252 81mm medium-weight mortar during a Marine Corps Operational Test and Evaluation Activity assessment at Range 107, Marine Corps Air Ground Combat Center Twentynine Palms, California, April 24, 2015. From October 2014 to July 2015, the GCEITF will conduct individual and collective level skills training in designated ground combat arms occupational specialties in order to facilitate the standards-based assessment of the physical performance of Marines in a simulated operating environment performing specific ground combat arms tasks.

Marines with 3rd Light Armored Reconnaissance Battalion traverse the desert on the way to set up a forward combat operations center during Exercise Desert Scimitar, April 12, 2015, aboard the Combat Center. Division-level exercises, such as Desert Scimitar, allow division units to train in order to maintain mission readiness. - Marines with 3rd Light Armored Reconnaissance Battalion traverse the desert on the way to set up a forward combat operations center during Exercise Desert Scimitar, April 12, 2015, aboard the Combat Center. Division-level exercises, such as Desert Scimitar, allow division units to train in order to maintain mission readiness.

Sgt. Maya Marin C. Garnica, anti-tank missileman, Anti-Armor Section, Weapons Company, Ground Combat Element Integrated Task Force, carries a tube-launched, optically-tracked, wire-guided missile to the firing line during a Marine Corps Operational Test and Evaluation Activity assessment at Range 107, Marine Corps Air Ground Combat Center Twentynine Palms, California, April 12, 2015. From October 2014 to July 2015, the GCEITF will conduct individual and collective level skills training in designated ground combat arms occupational specialties in order to facilitate the standards-based assessment of the physical performance of Marines in a simulated operating environment performing specific ground combat arms tasks. - Sgt. Maya Marin C. Garnica, anti-tank missileman, Anti-Armor Section, Weapons Company, Ground Combat Element Integrated Task Force, carries a tube-launched, optically-tracked, wire-guided missile to the firing line during a Marine Corps Operational Test and Evaluation Activity assessment at Range 107, Marine Corps Air Ground Combat Center Twentynine Palms, California, April 12, 2015. From October 2014 to July 2015, the GCEITF will conduct individual and collective level skills training in designated ground combat arms occupational specialties in order to facilitate the standards-based assessment of the physical performance of Marines in a simulated operating environment performing specific ground combat arms tasks.

Lance Corporals Brittany R. Dunklee, left, gunner, and Ashleigh Howell, center, driver, both with Light Armored Vehicle Platoon, Company B, Ground Combat Element Integrated Task Force, carry a simulated casualty while Cpl. Benjamin Alexander, right, vehicle commander, provides security, during the CASEVAC portion of a Marine Corps Operational Test and Evaluation Activity assessment at Range 500, Marine Corps Air Ground Combat Center Twentynine Palms, California, March 12, 2015. From October 2014 to July 2015, the GCEITF will conduct individual and collective level skills training in designated ground combat arms occupational specialties in order to facilitate the standards-based assessment of the physical performance of Marines in a simulated operating environment performing specific ground combat arms tasks. - Lance Corporals Brittany R. Dunklee, left, gunner, and Ashleigh Howell, center, driver, both with Light Armored Vehicle Platoon, Company B, Ground Combat Element Integrated Task Force, carry a simulated casualty while Cpl. Benjamin Alexander, right, vehicle commander, provides security, during the CASEVAC portion of a Marine Corps Operational Test and Evaluation Activity assessment at Range 500, Marine Corps Air Ground Combat Center Twentynine Palms, California, March 12, 2015. From October 2014 to July 2015, the GCEITF will conduct individual and collective level skills training in designated ground combat arms occupational specialties in order to facilitate the standards-based assessment of the physical performance of Marines in a simulated operating environment performing specific ground combat arms tasks.

Sgt. Hannah S. Jacobson, machine gunner with Weapons Company, Ground Combat Element Integrated Task Force, provides close supporting fires for their squad while engaging targets with the M240B Medium Machine Gun during a Marine Corps Operational Test and Evaluation Activity assessment at Range 107, Marine Corps Air Ground Combat Center Twentynine Palms, March 10, 2015. From October 2014 to July 2015, the GCEITF will conduct individual and collective level skills training in designated ground combat arms occupational specialties in order to facilitate the standards-based assessment of the physical performance of Marines in a simulated operating environment performing specific ground combat arms tasks. - Sgt. Hannah S. Jacobson, machine gunner with Weapons Company, Ground Combat Element Integrated Task Force, provides close supporting fires for their squad while engaging targets with the M240B Medium Machine Gun during a Marine Corps Operational Test and Evaluation Activity assessment at Range 107, Marine Corps Air Ground Combat Center Twentynine Palms, March 10, 2015. From October 2014 to July 2015, the GCEITF will conduct individual and collective level skills training in designated ground combat arms occupational specialties in order to facilitate the standards-based assessment of the physical performance of Marines in a simulated operating environment performing specific ground combat arms tasks.

An assault breacher vehicle races towards the objective as artillery provides suppressing fire Feb. 9 at Marine Air Ground Combat Center Twentynine Palms, California, during the battalion assault course at Integrated Training Exercise 2-15. ABV’s are used to clear areas of mines and other ordinance for ground troops and vehicles to move through. During the BAC the ABV’s fire a mine-clearing line charge to simulate destroying enemy ordinance. The Marines operating the ABV are with 2nd Combat Engineer Battalion, 2nd Marine Division, II Marine Expeditionary Force. - An assault breacher vehicle races towards the objective as artillery provides suppressing fire Feb. 9 at Marine Air Ground Combat Center Twentynine Palms, California, during the battalion assault course at Integrated Training Exercise 2-15. ABV’s are used to clear areas of mines and other ordinance for ground troops and vehicles to move through. During the BAC the ABV’s fire a mine-clearing line charge to simulate destroying enemy ordinance. The Marines operating the ABV are with 2nd Combat Engineer Battalion, 2nd Marine Division, II Marine Expeditionary Force.

Assault amphibious vehicles are used to mobilize infantry units during the Integrated Training Exercise 2-15 Tank Mechanized Assault Course Feb. 2 at Marine Air Ground Combat Center Twentynine Palms. AAVs are used to get infantry in the fight fast. The AAVs that were used during the TMAC are with Company D, 3rd Assault Amphibian Battalion, 1st Marine Division, I Marine Expeditionary Force. (U.S. Marine Corps photo by Lance Cpl. William Hester/Released) - Assault amphibious vehicles are used to mobilize infantry units during the Integrated Training Exercise 2-15 Tank Mechanized Assault Course Feb. 2 at Marine Air Ground Combat Center Twentynine Palms. AAVs are used to get infantry in the fight fast. The AAVs that were used during the TMAC are with Company D, 3rd Assault Amphibian Battalion, 1st Marine Division, I Marine Expeditionary Force. (U.S. Marine Corps photo by Lance Cpl. William Hester/Released)

Lance Cpl. Christian J. Hernandez (left) and Lance Cpl. Giovonni Mejia fire the M777A2 lightweight 155 mm howitzer Jan. 31 to support units engaged in the mechanized assault course at Marine Air Ground Combat Center Twentynine Palms during Integrated Training Exercise 2-15. “Fighting with combined arms is on of the most important parts of the (Marine Air-Ground Task Force),” said Lt. Col. Neil J. Owens. Giovonni, a Dallas, Texas native and Hernandez, a Buford, Georgia, native are both cannoneers with 1st Battalion, 12th Marine Regiment, currently assigned to 3rd Battalion, 12th Marines, 3rd Marine Division, III Marine Expeditionary Force for ITX 2-15, as part of the ground combat element for SPMAGTF-4. Owens, a Medford, Massechusetts, native, is the commanding officer for 3rd Bn., 12th Marines. (U.S. Marine Corps photo by Lance Cpl. William Hester/ Released) - Lance Cpl. Christian J. Hernandez (left) and Lance Cpl. Giovonni Mejia fire the M777A2 lightweight 155 mm howitzer Jan. 31 to support units engaged in the mechanized assault course at Marine Air Ground Combat Center Twentynine Palms during Integrated Training Exercise 2-15. “Fighting with combined arms is on of the most important parts of the (Marine Air-Ground Task Force),” said Lt. Col. Neil J. Owens. Giovonni, a Dallas, Texas native and Hernandez, a Buford, Georgia, native are both cannoneers with 1st Battalion, 12th Marine Regiment, currently assigned to 3rd Battalion, 12th Marines, 3rd Marine Division, III Marine Expeditionary Force for ITX 2-15, as part of the ground combat element for SPMAGTF-4. Owens, a Medford, Massechusetts, native, is the commanding officer for 3rd Bn., 12th Marines. (U.S. Marine Corps photo by Lance Cpl. William Hester/ Released)

Marines check the GPS coordinates of their M777A2 lightweight 155 mm howitzers Oct. 30 during a command post exercise for Artillery Relocation Training Program 14-3. “Camp Fuji provides that cold weather training environment that artillery units need to be familiar with,” said Sgt. Maj. Marvin M. Magcale, the battalion sergeant major for 3rd Battalion, 12th Marines. “The Marines and sailors in this battalion will be better prepared to accomplish the mission involving cold weather. Austere conditions obviously affect not only the Marines and sailors, but their equipment as well.” The Marines are with Battery B, 1st Bn., 12th Marine Regiment, 1st Marine Division, based out of Kaneohe Bay, Hawaii, and are currently assigned to 3rd Bn., 12th Marines, 3rd Marine Division, III Marine Expeditionary Force under the unit deployment program. - Marines check the GPS coordinates of their M777A2 lightweight 155 mm howitzers Oct. 30 during a command post exercise for Artillery Relocation Training Program 14-3. “Camp Fuji provides that cold weather training environment that artillery units need to be familiar with,” said Sgt. Maj. Marvin M. Magcale, the battalion sergeant major for 3rd Battalion, 12th Marines. “The Marines and sailors in this battalion will be better prepared to accomplish the mission involving cold weather. Austere conditions obviously affect not only the Marines and sailors, but their equipment as well.” The Marines are with Battery B, 1st Bn., 12th Marine Regiment, 1st Marine Division, based out of Kaneohe Bay, Hawaii, and are currently assigned to 3rd Bn., 12th Marines, 3rd Marine Division, III Marine Expeditionary Force under the unit deployment program.