A Marine checks and adjusts a thermal optic at the Marine Corps Air Ground Combat Center, Twentynine Palms, Feb. 17. - A Marine checks and adjusts a thermal optic at the Marine Corps Air Ground Combat Center, Twentynine Palms, Feb. 17.

Reserve Scout Sniper Platoon Conduct Live-Fire Training During ITX 5-19 - A U.S. Marine with Scout Sniper Platoon, 1st Battalion, 25th Marine Regiment, 4th Marine Division, fires a M40A6 Sniper Rifle at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., July 27, 2019, during Integrated Training Exercise 5-19. After ITX 5-19, 1st Battalion, 25th Marine Regiment will be activated and deploy to the Indo-Pacific Command to conduct multiple exercises across the region. ITX measures the unit’s ability to provide a cohesive, trained, and ready capability in support of service and Combatant Commander requirements. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)

Lance Cpl. Zackary W. Rippin, infantry assaultman, 3rd Battalion, 5th Marine Regiment, operates a weaponized Multi-Utility Tactical Transport vehicle (MUTT) during a company assault on Range 400 at Marine Corps Air Ground Combat Center, Twentynine Palms, California, Nov. 7, 2016, as part of Integrated Training Exercise 1-17. The 28-day exercise is currently the longest-lasting activity that occurs at the installation and involves a series of progressive live-fire exercises that assesses the ability and adaptability of a force of more than 3,500 Marines and sailors. Commandant of the Marine Corps, Gen. Robert B. Neller has designated the battalion as the Marine Corps’ experimental force. - Lance Cpl. Zackary W. Rippin, infantry assaultman, 3rd Battalion, 5th Marine Regiment, operates a weaponized Multi-Utility Tactical Transport vehicle (MUTT) during a company assault on Range 400 at Marine Corps Air Ground Combat Center, Twentynine Palms, California, Nov. 7, 2016, as part of Integrated Training Exercise 1-17. The 28-day exercise is currently the longest-lasting activity that occurs at the installation and involves a series of progressive live-fire exercises that assesses the ability and adaptability of a force of more than 3,500 Marines and sailors. Commandant of the Marine Corps, Gen. Robert B. Neller has designated the battalion as the Marine Corps’ experimental force.

An M1A1 Abrams Main Battle Tank with Company A, 1st Tank Battalion, advances along a road while receiving indirect-fire support from artillery during a Tank Mechanized Assault Course in the Quackenbush Training Area as part of Integrated Training Exercise 2-16 at Marine Corps Air Combat Center Twentynine Palms, Calif.Feb. 9, 2016. ITX is designed to prepare units for combat, under the most realistic conditions possible, focusing on battalion and squad level training. - An M1A1 Abrams Main Battle Tank with Company A, 1st Tank Battalion, advances along a road while receiving indirect-fire support from artillery during a Tank Mechanized Assault Course in the Quackenbush Training Area as part of Integrated Training Exercise 2-16 at Marine Corps Air Combat Center Twentynine Palms, Calif.Feb. 9, 2016. ITX is designed to prepare units for combat, under the most realistic conditions possible, focusing on battalion and squad level training.

Lance Corporal John Roan, left, a squad leader with E Company, 2nd Battalion, 2nd Marine Regiment positively identified an improvised explosive device just before speaking with one of the instructors during Integrated Training Exercise 1-16 at Marine Air Ground Combat Center, Twentynine Palms, Calif., Oct. 29, 2015. Marines at ITX demonstrate core infantry mission essential tasks while conducting offensive and defensive operations. - Lance Corporal John Roan, left, a squad leader with E Company, 2nd Battalion, 2nd Marine Regiment positively identified an improvised explosive device just before speaking with one of the instructors during Integrated Training Exercise 1-16 at Marine Air Ground Combat Center, Twentynine Palms, Calif., Oct. 29, 2015. Marines at ITX demonstrate core infantry mission essential tasks while conducting offensive and defensive operations.

An F/A- 18C Hornet rests on the flight line Dec. 1 aboard Marine Corps Air Station Beaufort, S.C. after returning from Integrated Training Exercise at Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., from Oct. 16- Nov. 20. Marine Fighter Attack Squadron 122 conducted the training exercise to prepare for an upcoming deployment in early 2016 and to increase combat proficiency and readiness. The jet is with VMFA-122, Marine Aircraft Group 31. - An F/A- 18C Hornet rests on the flight line Dec. 1 aboard Marine Corps Air Station Beaufort, S.C. after returning from Integrated Training Exercise at Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., from Oct. 16- Nov. 20. Marine Fighter Attack Squadron 122 conducted the training exercise to prepare for an upcoming deployment in early 2016 and to increase combat proficiency and readiness. The jet is with VMFA-122, Marine Aircraft Group 31.

Marines with Golf Company, 2nd Battalion, 2nd Marine Regiment engage the enemy during a counterattack as part of Integrated Training Exercise 1-16 at Marine Air Ground Combat Center, Twentynine Palms, California, Nov. 11, 2015. The counterattack was part of the Battalion Assault Course, a three-day culminating event at the end of ITX. - Marines with Golf Company, 2nd Battalion, 2nd Marine Regiment engage the enemy during a counterattack as part of Integrated Training Exercise 1-16 at Marine Air Ground Combat Center, Twentynine Palms, California, Nov. 11, 2015. The counterattack was part of the Battalion Assault Course, a three-day culminating event at the end of ITX.

An instructor lays out a plan of attack during first responder's training with Marines from General Support Company, Combat Logistics Battalion 2, during Integrated Training Exercise 1-16 aboard Marine Corps Air Ground Combat Center Twentynine Palms, Calif., Oct. 25, 2015. Marines demonstrate core essential tasks and conduct offensive and defensive stability operations throughout ITX. - An instructor lays out a plan of attack during first responder's training with Marines from General Support Company, Combat Logistics Battalion 2, during Integrated Training Exercise 1-16 aboard Marine Corps Air Ground Combat Center Twentynine Palms, Calif., Oct. 25, 2015. Marines demonstrate core essential tasks and conduct offensive and defensive stability operations throughout ITX.

Marines with Truck Company, 3rd Marine Division, III Marine Expeditionary Force, standby for explosive ordnance disposal to arrive while keeping vigilant for possible enemy combatants during a motorized operations course aboard Marine Corps Air Ground Combat Center Twentynine Palms, Calif., July 30. The Marines performed the exercise to better themselves in the event of a real-life scenario. - Marines with Truck Company, 3rd Marine Division, III Marine Expeditionary Force, standby for explosive ordnance disposal to arrive while keeping vigilant for possible enemy combatants during a motorized operations course aboard Marine Corps Air Ground Combat Center Twentynine Palms, Calif., July 30. The Marines performed the exercise to better themselves in the event of a real-life scenario.

Marines with Combat Logistics Battalion 1, Ammunition Detachment, and 1st Battalion, 7th Marine Regiment, inspect a 7-ton Medium Tactical Vehicle prior to loading it with ammunition during an Integrated Training Exercise at Marine Corps Air Ground Combat Center Twentynine Palms, California, July 22, 2015. Ammunition distribution is performed at the field ammunition supply point, which is set-up and operated by CLB-1, Ammunition Detachment. CLB-1 is currently training to support Special Purpose Marine Air Ground Task Force Crisis Response Central Command 16.1. - Marines with Combat Logistics Battalion 1, Ammunition Detachment, and 1st Battalion, 7th Marine Regiment, inspect a 7-ton Medium Tactical Vehicle prior to loading it with ammunition during an Integrated Training Exercise at Marine Corps Air Ground Combat Center Twentynine Palms, California, July 22, 2015. Ammunition distribution is performed at the field ammunition supply point, which is set-up and operated by CLB-1, Ammunition Detachment. CLB-1 is currently training to support Special Purpose Marine Air Ground Task Force Crisis Response Central Command 16.1.

Marines with 4th Medical Battalion, 4th Marine Logistics Group, Marine Forces Reserve, carry a casualty in a mass heat casualty exercise during the 4-15 Integrated Training Exercise aboard Marine Corps Air Ground Combat Center, Calif., June 20, 2015. During the mass heat casualty exercise, Marines and sailors faced a situation where multiple casualties were rapidly brought into the medical station, and Marines and Sailors had to work together efficiently to ensure that all casualties were assessed and treated properly. - Marines with 4th Medical Battalion, 4th Marine Logistics Group, Marine Forces Reserve, carry a casualty in a mass heat casualty exercise during the 4-15 Integrated Training Exercise aboard Marine Corps Air Ground Combat Center, Calif., June 20, 2015. During the mass heat casualty exercise, Marines and sailors faced a situation where multiple casualties were rapidly brought into the medical station, and Marines and Sailors had to work together efficiently to ensure that all casualties were assessed and treated properly.

Lance Cpl. Cody McMillian, Team Leader, 3rd Squad, 3rd Platoon, Lima Company,3rd Battalion 25th Regiment, 4th Marine Division, Marine Forces Reserve shoots down range during the 2015 Integrated Training Exercise at Twentynine Palms, Calif., June 12, 2015. ITX allows Reserve Marines the opportunity to train in realistic environments and conditions, ensuring the highest levels of proficiency and readiness for worldwide deployment. - Lance Cpl. Cody McMillian, Team Leader, 3rd Squad, 3rd Platoon, Lima Company,3rd Battalion 25th Regiment, 4th Marine Division, Marine Forces Reserve shoots down range during the 2015 Integrated Training Exercise at Twentynine Palms, Calif., June 12, 2015. ITX allows Reserve Marines the opportunity to train in realistic environments and conditions, ensuring the highest levels of proficiency and readiness for worldwide deployment.

Lance Cpl. Alexander Stensland, left, signals good to go to Lt. Col. Roger T. McDuffie who is piloting an AV-8B Harrier on the flight line at Marine Corps Air Station Cherry Point, N.C., Sept. 10, 2014. Stensland is an aircraft powerline mechanic and McDuffie is the commanding officer of Marine Attack Squadron 223. Stensland is a native of Hastings, Minn. - Lance Cpl. Alexander Stensland, left, signals good to go to Lt. Col. Roger T. McDuffie who is piloting an AV-8B Harrier on the flight line at Marine Corps Air Station Cherry Point, N.C., Sept. 10, 2014. Stensland is an aircraft powerline mechanic and McDuffie is the commanding officer of Marine Attack Squadron 223. Stensland is a native of Hastings, Minn.