The newly formed MSB will assume the responsibilities of administrative support to the I MEF Command Element to better posture the I MEF Information Group to focus on leading in the information environment. - Marines with I Marine Expeditionary Force Support Battalion march in formation during the MSB activation ceremony on Camp Pendleton, Calif., April 11, 2018. The newly formed MSB will assume the responsibilities of administrative support to the I MEF Command Element to better posture the I MEF Information Group to focus on leading in the information environment. (U.S. Marine Corps photo by Cpl. Jacob A. Farbo)

Marines and Sailors with 1st Battalion, 11th Marine Regiment, 1st Marine Division, march in the 60th Swallows Day Parade on March 24, 2018. - SAN JUAN CAPISTRANO, Calif. (March 24, 2018) – Marines and Sailors with 1st Battalion, 11th Marine Regiment, 1st Marine Division, march in the 60th Swallows Day Parade on March 24, 2018. The parade is one of the nation’s largest non-motorized parades and is held annually as part of paying tribute to the city’s Spanish and western history. During the parade, the Marines marched in formation and carried their unit colors and the American flag. (U.S. Marine Corps photo by Lance Cpl. Ruth Wheeley)

Sgt. Maj. Bradley Kasal, sergeant major, I Marine Expeditionary Force, speaks at the West Coast Senior Enlisted Professional Dinner at Valley Center, Calif., Feb. 8, 2018. - Sgt. Maj. Bradley Kasal, sergeant major, I Marine Expeditionary Force, speaks at the West Coast Senior Enlisted Professional Dinner at Valley Center, Calif., Feb. 8, 2018. The dinner, which hosted enlisted leadership from all over the West Coast, is an engagement that encourages comradery and a reaffirmation of core values amongst Marine Corps and Navy senior enlisted personnel. (U.S Marine Corps photo by Lance Cpl. Robert Bliss)

Marines with Task Force Al-Taqaddum 18.1 Rotation 6 practice marksmanship with AK-47 assault rifles as part of a foreign weapons demonstration at Marine Corps Base Camp Pendleton, California, Jan. 16, 2018. - Marines with Task Force Al-Taqaddum 18.1 Rotation 6 practice marksmanship with AK-47 assault rifles as part of a foreign weapons demonstration at Marine Corps Base Camp Pendleton, California, Jan. 16, 2018. The demonstration was done in order to familiarize the Marines with weapons they may encounter while deployed overseas. (U.S. Marine Corps photo by Lance Cpl. Robert Bliss)

Sgt. Maj. David A. Wilson, off-going sergeant major for I Marine Expeditionary Force Information Group, passes the non-commissioned officer’s sword to Col. Dawn R. Alonso, commanding officer, I MIG, during a relief and appointment ceremony at the 11 area parade deck aboard Camp Pendleton, California, Jan. 18, 2018. - Sgt. Maj. David A. Wilson, off-going sergeant major for I Marine Expeditionary Force Information Group, passes the non-commissioned officer’s sword to Col. Dawn R. Alonso, commanding officer, I MIG, during a relief and appointment ceremony at the 11 area parade deck aboard Camp Pendleton, California, Jan. 18, 2018. Wilson has served as I MIG sergeant major since his appointment in November of 2015 and was relieved by Sgt. Maj. Vernon E. Derby. (U.S. Marine Corps photo by Lance Cpl. Ruth Wheeley)

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)

Lt. Col. Seth E. Anderson (right) passes the 1st Intelligence Battalion’s organizational colors to Lt. Col. B.J. Grass (left) during a change of command ceremony at Camp Pendleton, Calif. June 21, 2017. Grass was the executive officer at the Marine Corps Intelligence schools, Va., and Anderson will attend the U.S. Army War College in Carlisle, Pa. (U.S. Marine Corps photo by Lance Cpl. A. J. Van Fredenberg) - Lt. Col. Seth E. Anderson (right) passes the 1st Intelligence Battalion’s organizational colors to Lt. Col. B.J. Grass (left) during a change of command ceremony at Camp Pendleton, Calif. June 21, 2017. Grass was the executive officer at the Marine Corps Intelligence schools, Va., and Anderson will attend the U.S. Army War College in Carlisle, Pa. (U.S. Marine Corps photo by Lance Cpl. A. J. Van Fredenberg)