U.S. Marine Corps Cpl. Treyton Cronk, a satellite transmissions systems operator with 9th Communication Battalion, I Marine Expeditionary Force Information Group, establishes services for an expeditionary network by using a ViaSat Multi-Mission Terminal during a sustainment exercise at Marine Corps Base Camp Pendleton, California, Aug. 14, 2025. - U.S. Marine Corps Cpl. Treyton Cronk, a satellite transmissions systems operator with 9th Communication Battalion, I Marine Expeditionary Force Information Group, establishes services for an expeditionary network by using a ViaSat Multi-Mission Terminal during a sustainment exercise at Marine Corps Base Camp Pendleton, California, Aug. 14, 2025. 9th Communication Battalion is responsible for both establishing secure communication networks and defending them against cyber-attacks in support of I MEF. (U.S. Marine Corps photo by Sgt. Kristin Long)
Col. Bobbi Shea (right) relinquishes the I Marine Expeditionary Force Information Group colors to Col. Dawn R. Alonso (left) during a change of command and re-designation ceremony at Camp Pendleton, Calif., July 6, 2017. During the ceremony I MEF Headquarters Group was re-designated as I MEF Information Group to support I MEF in the expanding information environment. (U.S. Marine Corps photo by Lance Cpl. Robert A Alejandre) - Col. Bobbi Shea (right) relinquishes the I Marine Expeditionary Force Information Group colors to Col. Dawn R. Alonso (left) during a change of command and re-designation ceremony at Camp Pendleton, Calif., July 6, 2017. During the ceremony I MEF Headquarters Group was re-designated as I MEF Information Group to support I MEF in the expanding information environment. (U.S. Marine Corps photo by Lance Cpl. Robert A Alejandre)