Marines with 3rd Assault Amphibious Battalion in an assault amphibious vehicle and an M1A1 Abrams Main Battle Tank with 1st Tank Battalion provide security during a movement to contact exercise conducted aboard Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., May 4, 2017. Marine Corps Operational Test and Evaluation Activity Office conducted the exercise as part of operational testing used to compare an upgraded AAV to its old variant. (U.S. Marine Corps photo by Cpl. Dave Flores) - Marines with 3rd Assault Amphibious Battalion in an assault amphibious vehicle and an M1A1 Abrams Main Battle Tank with 1st Tank Battalion provide security during a movement to contact exercise conducted aboard Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., May 4, 2017. Marine Corps Operational Test and Evaluation Activity Office conducted the exercise as part of operational testing used to compare an upgraded AAV to its old variant. (U.S. Marine Corps photo by Cpl. Dave Flores)
Col. William H. Vivian, commanding officer, and Col. Jay M. Bargeron, former commanding officer, 7th Marine Regiment, conduct a pass in review during the regiment’s change of command ceremony at Torrey L. Gray Field, Dec. 18, 2015. (Official Marine Corps photo by Lance Cpl. Thomas Mudd/Released) - Col. William H. Vivian, commanding officer, and Col. Jay M. Bargeron, former commanding officer, 7th Marine Regiment, conduct a pass in review during the regiment’s change of command ceremony at Torrey L. Gray Field, Dec. 18, 2015. (Official Marine Corps photo by Lance Cpl. Thomas Mudd/Released)
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 2nd Battalion, 4th Marine regiment, sit in an MV-22 Osprey as it takes off for their Tactical Recovery of Aircraft and Personnel exercise at the Combat Center July 31, 2011. They partnered with Marine Medium Tiltrotor Squadron 362 crews, from Marine Corps Air Station New River, N.C., for the mission. - Marines with 2nd Battalion, 4th Marine regiment, sit in an MV-22 Osprey as it takes off for their Tactical Recovery of Aircraft and Personnel exercise at the Combat Center July 31, 2011. They partnered with Marine Medium Tiltrotor Squadron 362 crews, from Marine Corps Air Station New River, N.C., for the mission.