I MEF provides the Marine Corps a globally responsive, expeditionary, and fully scalable Marine Air-Ground Task Force (MAGTF), capable of generating, deploying, and employing ready forces and formations for crisis response, forward presence, major combat operations, and campaigns.
U.S. Marines with 1st Intelligence Battalion, I Marine Expeditionary Force Information Group, clear a building during a CounterIntelligence and Human Intelligence Tactical Exercise at Marine Corps Base Camp Pendleton, California, Oct. 16, 2020. The CI/HUMINT TACEX integrates infantry and intelligence Marines to improve proficiency and readiness when deployed.. (U.S. Marine Corps photo by Lance Cpl. Ian M. Simmons) - U.S. Marines with 1st Intelligence Battalion, I Marine Expeditionary Force Information Group, clear a building during a CounterIntelligence and Human Intelligence Tactical Exercise at Marine Corps Base Camp Pendleton, California, Oct. 16, 2020. The CI/HUMINT TACEX integrates infantry and intelligence Marines to improve proficiency and readiness when deployed.. (U.S. Marine Corps photo by Lance Cpl. Ian M. Simmons)
190726-M-DD765-0084.JPG - U.S. Marine Corps Col. Brian Rideout, on-coming commanding officer, I Marine Expeditionary Force Information Group, receives the unit colors from Col. Dawn Alonso, off-going commanding officer, I Marine Expeditionary Force Information Group during a change of command ceremony at Marine Corps Base Camp Pendleton, California, July 26, 2019. Col. Dawn Alonso relinquished command to Col. Brian Rideout as commanding officer of I Marine Expeditionary Force Information Group. (U.S. Marine Corps photo by Cpl. Anabel Abreu Rodriguez)
Company A participated in detainee operations and patrolling to prepare its Marines with the knowledge required to operate in a deployed environment. - U.S. Marines with Alpha Company, 1st Law Enforcement Battalion, I Marine Expeditionary Force Information Group, aim at potential threats during dismounted patrols and detainee operations at De Luz Combat Town at Camp Pendleton, June 5, 2019. Company A participated in detainee operations and patrolling to prepare its Marines with the knowledge required to operate in a deployed environment. (U.S. Marine Corps photo by Cpl. Rachel R. Mendieta)
The award, formerly known as the “Motor Transport Operation Chief of the Year,” was renamed this year in honor of Master Gunnery Sgt. Gerardo Acevedo, a motor transport operation chief who passed away Feb. 3, 2018. - Staff Sgt. Serafin Salazar, Jr., center left, poses with the Acevedo family and fellow Marines after being presented with the Master Gunnery Sergeant Gerardo Acevedo Award on May 29, 2019, during a ceremony at the School of Infantry West aboard Camp Pendleton, California. The award, formerly known as the “Motor Transport Operation Chief of the Year,” was renamed this year in honor of Master Gunnery Sgt. Gerardo Acevedo, a motor transport operation chief who passed away Feb. 3, 2018. (U.S. Marine Corps photo by Sgt. Asia J. Sorenson)
U.S. Marine Corps Col. Jay Hanlon, command inspector general, I Marine Expeditionary Force kisses his wife Heather Pauline Hanlon during his retirement ceremony at the Ranch House, Camp Pendleton, Calif., Jan 11, 2018. - U.S. Marine Corps Col. Jay Hanlon, command inspector general, I Marine Expeditionary Force kisses his wife Heather Pauline Hanlon during his retirement ceremony at the Ranch House, Camp Pendleton, Calif., Jan 11, 2018. Hanlon served honorably for 30 years as a UH-1Y Huey pilot and instructor, serving in various billets across the Marine Corps, and is set to retire April 1st, 2019. (U.S. Marine Corps Photo by Cpl. Jacob A. Farbo)
U.S. Marines with Special Purpose Marine Air-Ground Task Force (SPMAGTF) Peru, arrive in San Diego after spending weeks deployed to Peru and Chile, Dec. 21, 2018. - U.S. Marines with Special Purpose Marine Air-Ground Task Force (SPMAGTF) Peru, arrive in San Diego after spending weeks deployed to Peru and Chile, Dec. 21, 2018. SPMAGTF-Peru is part of U.S. Southern Command’s Enduring Promise initiative and reflects the United States’ long standing commitment of friendship, partnership and solidarity with the Americas. (U.S. Marine Corps photo by Cpl. Joseph Prado)
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Brigadier General Rideout assumed duties as Deputy Commanding General, I Marine Expeditionary Force in July 2021. His previous assignment was serving as Director, Military Advisor Group, Combined Joint Task Force - Operation INHERENT RESOLVE based in Baghdad, Iraq from June of 2020 to June 2021. Fleet Marine Force assignments include: Commanding
Colonel Rideout holds a baccalaureate degree in Psychology from Ohio Wesleyan University, a Master of Science in Information Technology Management from the Naval Postgraduate School, a Master of Military Studies from Marine Corps University and a Master of Arts in National Security and Strategic Studies from the Naval War College. He is a graduate
Sergeant Major Whitcomb began Marine Corps Recruit Training on 14 September 1993 at Marine Corps Recruit Depot, San Diego, California with Company C, 1st Recruit Training Battalion. He was meritoriously promoted to Private First Class and graduated Recruit Training on 10 December 1993. Following graduation from Recruit Training, Private First
Though a native of Montebello, California, Master Chief Ruiz calls Monte Vista, Colorado home. He enlisted in the Navy in March 1991, reported to basic training at RTC Great Lakes, Illinois and completed Signalman “A” School at NTC Orlando, Florida. After serving two tours as a collateral-duty Command Career Counselor in 2000 and 2003, he became