Marines rush a simulated combat town during the mechanized assault portion of a Marine Corps Combat Readiness Exercise at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., Dec. 9, 2015. The purpose of a MCCRE is to evaluate Marines’ collective performance in specific mission requirements that will prepare them for their upcoming deployment rotation. The Marines are with 2nd Battalion, 7th Marine Regiment, 1st Marine Division. (U.S. Marine Corps photo by Lance Cpl. Devan K. Gowans) - Marines rush a simulated combat town during the mechanized assault portion of a Marine Corps Combat Readiness Exercise at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., Dec. 9, 2015. The purpose of a MCCRE is to evaluate Marines’ collective performance in specific mission requirements that will prepare them for their upcoming deployment rotation. The Marines are with 2nd Battalion, 7th Marine Regiment, 1st Marine Division. (U.S. Marine Corps photo by Lance Cpl. Devan K. Gowans)

Marines run through the obstruction of smoke during the company supported, live-fire assault portion of a Marine Corps Combat Readiness Evaluation at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., Dec. 6, 2015. The purpose of a MCCRE is to evaluate Marines’ collective performance in specific mission requirements that will prepare them for their upcoming deployment rotation. The Marines are with 2nd Battalion, 7th Marine Regiment, 1st Marine Division. (U.S. Marine Corps photo by Lance Cpl. Devan K. Gowans) - Marines run through the obstruction of smoke during the company supported, live-fire assault portion of a Marine Corps Combat Readiness Evaluation at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., Dec. 6, 2015. The purpose of a MCCRE is to evaluate Marines’ collective performance in specific mission requirements that will prepare them for their upcoming deployment rotation. The Marines are with 2nd Battalion, 7th Marine Regiment, 1st Marine Division. (U.S. Marine Corps photo by Lance Cpl. Devan K. Gowans)

U.S. Marine Cpl. Christian Reyes, a shoulder-launched multipurpose assault weapon gunner with 1st Battalion, 7th Marine Regiment, Special Purpose Marine Air Ground Task Force-Crisis Response-Central Command, scans the surrounding environment for possible threats during a mission readiness exercise at an undisclosed location in Southwest Asia, Nov. 24, 2015. The Marines conducted the exercise to prepare for potential missions in the Central Command area of responsibility. (U.S. Marine Corps Photo by Sgt. Owen Kimbrel / Released) - U.S. Marine Cpl. Christian Reyes, a shoulder-launched multipurpose assault weapon gunner with 1st Battalion, 7th Marine Regiment, Special Purpose Marine Air Ground Task Force-Crisis Response-Central Command, scans the surrounding environment for possible threats during a mission readiness exercise at an undisclosed location in Southwest Asia, Nov. 24, 2015. The Marines conducted the exercise to prepare for potential missions in the Central Command area of responsibility. (U.S. Marine Corps Photo by Sgt. Owen Kimbrel / Released)

U.S. Marines with Weapons Company, 1st Battalion, 7th Marine Regiment, Special Purpose Marine Air-Ground Task Force--Crisis Response--Central Command, rush with their weapons system as they conduct live-fire training on the new M252A2 81mm mortar system at Al Asad Air Base, Iraq, Oct. 24, 2015. The training allowed the Marines, who are charged with providing security of Al Asad, an opportunity to hone their tactics, techniques and procedures in employment of the system, further reinforcing their ability to provide protection to their coalition and Iraqi Security Force partners as part of the Combined Joint Task Force – Operation Inherent Resolve’s building partner capacity mission. - U.S. Marines with Weapons Company, 1st Battalion, 7th Marine Regiment, Special Purpose Marine Air-Ground Task Force--Crisis Response--Central Command, rush with their weapons system as they conduct live-fire training on the new M252A2 81mm mortar system at Al Asad Air Base, Iraq, Oct. 24, 2015. The training allowed the Marines, who are charged with providing security of Al Asad, an opportunity to hone their tactics, techniques and procedures in employment of the system, further reinforcing their ability to provide protection to their coalition and Iraqi Security Force partners as part of the Combined Joint Task Force – Operation Inherent Resolve’s building partner capacity mission.

Lance Cpl. Anthony Sarmiento, a rifleman assigned to Company E, 2nd Battalion, 7th Marine Regiment, 1st Marine Division, provides security while establishing a defensive position during Talon Exercise 1-16 at Marine Corps Air Station, Yuma, Ariz., Oct. 12, 2015. The training took place at Baker’s Peak, a rugged desert training area located on the approximately 1,700,000 acre Barry M. Goldwater Range and was part of a larger event called Talon Exercise, which focused on offensive and defensive operations in desert and urban environments. - Lance Cpl. Anthony Sarmiento, a rifleman assigned to Company E, 2nd Battalion, 7th Marine Regiment, 1st Marine Division, provides security while establishing a defensive position during Talon Exercise 1-16 at Marine Corps Air Station, Yuma, Ariz., Oct. 12, 2015. The training took place at Baker’s Peak, a rugged desert training area located on the approximately 1,700,000 acre Barry M. Goldwater Range and was part of a larger event called Talon Exercise, which focused on offensive and defensive operations in desert and urban environments.

Lieutenant Colonel Brian S. Middleton, commanding officer of 3rd Battalion, 4th Marines, 7th Marine Regiment, 1st Marine Division, salutes the colors during the unit’s reactivation ceremony aboard Marine Air Ground Combat Center Twentynine Palms, Calif., Sept. 17, 2015. The Marine Corps’ reactivation of the “Thundering Third” officially starts Oct. 1, 2015, which marks exactly 90 years of dedicated service within the Corps. - Lieutenant Colonel Brian S. Middleton, commanding officer of 3rd Battalion, 4th Marines, 7th Marine Regiment, 1st Marine Division, salutes the colors during the unit’s reactivation ceremony aboard Marine Air Ground Combat Center Twentynine Palms, Calif., Sept. 17, 2015. The Marine Corps’ reactivation of the “Thundering Third” officially starts Oct. 1, 2015, which marks exactly 90 years of dedicated service within the Corps.

The 1st Marine Division Band plays music before the start of 3rd Battalion, 4th Marines, 7th Marine Regiment’s reactivation ceremony at Lance Cpl. Torrey L. Gray Field, Sept. 17, 2015. - The 1st Marine Division Band plays music before the start of 3rd Battalion, 4th Marines, 7th Marine Regiment’s reactivation ceremony at Lance Cpl. Torrey L. Gray Field, Sept. 17, 2015.

Marines with 1st Battalion, 7th Marine Regiment, and 2nd Battalion, 7th Marine Regiment, practice handling a simulated enraged enemy during the culminating event of 1st Marine Division Schools’ Urban Leaders Course at Marine Corps Base Camp Pendleton, Calif., Aug. 12, 2015. The course is a 15-day period of instruction that includes classwork, combat marksmanship and physical training in a simulated urban combat environment. - Marines with 1st Battalion, 7th Marine Regiment, and 2nd Battalion, 7th Marine Regiment, practice handling a simulated enraged enemy during the culminating event of 1st Marine Division Schools’ Urban Leaders Course at Marine Corps Base Camp Pendleton, Calif., Aug. 12, 2015. The course is a 15-day period of instruction that includes classwork, combat marksmanship and physical training in a simulated urban combat environment.

One by one, Marines with Special Purpose Marine Air Ground Task Force-Crisis Response-Central Command place a battle streamer on the Regimental Colors to symbolize the 7th Marine Regiment’s unit awards during the 98th anniversary ceremony, held in an undisclosed location in Southwest Asia, Aug. 15, 2015. The 7th Marine Regiment Headquarters and 3rd Battalion, 7th Marines are currently deployed with the SPMAGTF-CR-CC and took time to remember the regiment’s storied history and rededicate themselves to their current work with Operation Inherent Resolve. - One by one, Marines with Special Purpose Marine Air Ground Task Force-Crisis Response-Central Command place a battle streamer on the Regimental Colors to symbolize the 7th Marine Regiment’s unit awards during the 98th anniversary ceremony, held in an undisclosed location in Southwest Asia, Aug. 15, 2015. The 7th Marine Regiment Headquarters and 3rd Battalion, 7th Marines are currently deployed with the SPMAGTF-CR-CC and took time to remember the regiment’s storied history and rededicate themselves to their current work with Operation Inherent Resolve.

3rd Battalion, 4th Marines Logo - 3rd Battalion, 4th Marines Logo