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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. Marine Corps Lt. Gen. George W. Smith, commanding general of I Marine Expeditionary Force (I MEF), arrives in Darwin during his visit of Marine Rotational Force-Darwin (MRF-D) 22 at Royal Australian Air Force Base Darwin, NT, Australia, June 7, 2022. I MEF leadership visited Darwin, Australia to better understand MRF-D 22’s capabilities and their operating environment. (U.S. Marine Corps photo by Staff Sgt. Antonio De La Fuente) - U.S. Marine Corps Lt. Gen. George W. Smith, commanding general of I Marine Expeditionary Force (I MEF), arrives in Darwin during his visit of Marine Rotational Force-Darwin (MRF-D) 22 at Royal Australian Air Force Base Darwin, NT, Australia, June 7, 2022. I MEF leadership visited Darwin, Australia to better understand MRF-D 22’s capabilities and their operating environment. (U.S. Marine Corps photo by Staff Sgt. Antonio De La Fuente)
U.S. Secretary of the Navy Carlos Del Toro greets U.S. Marine Corps Col. Christopher Steele, the commanding officer of Marine Rotational Force-Darwin (MRF-D) 22, during a visit with MRF-D 22 at Royal Australian Air Force Base Darwin, June 18, 2022. Secretary Del Toro visited Marines and Sailors with MRF-D 22 and Australian Defence Force personnel as part of the Indo-Pacific battlefield circulation. (U.S. Marine Corps photo by Cpl. Emeline Molla) - U.S. Secretary of the Navy Carlos Del Toro greets U.S. Marine Corps Col. Christopher Steele, the commanding officer of Marine Rotational Force-Darwin (MRF-D) 22, during a visit with MRF-D 22 at Royal Australian Air Force Base Darwin, June 18, 2022. Secretary Del Toro visited Marines and Sailors with MRF-D 22 and Australian Defence Force personnel as part of the Indo-Pacific battlefield circulation. (U.S. Marine Corps photo by Cpl. Emeline Molla)
Mr. Robert D. Hogue, counsel for the Commandant of the Marine Corps, looks out of the window in his office at the Pentagon, Arlington, Va., Aug. 13, 2021 - Mr. Robert D. Hogue, counsel for the Commandant of the Marine Corps, looks out of the window in his office at the Pentagon, Arlington, Va., Aug. 13, 2021. Mr. Hogue was present at the Pentagon during the attack on September 11, 2001. (U.S. Marine Corps photo by Cpl. Morgan L. R. Burgess)
U.S. Marines with Marine Air Control Squadron 4, Marine Air Control Group (MACG) 18, support command and control of aircraft at Andersen Air Force Base, Guam, June 13, 2022, in support of Valiant Shield 2022. Exercise Valiant Shield gives units like MACG-18 the opportunity to integrate with forces across the Indo-Pacific to train in successful employment and operations that demonstrate the strength and versatility of the Joint Force. (U.S. Marine Corps photo by Cpl. Tyler Harmon) - U.S. Marines with Marine Air Control Squadron 4, Marine Air Control Group (MACG) 18, support command and control of aircraft at Andersen Air Force Base, Guam, June 13, 2022, in support of Valiant Shield 2022. Exercise Valiant Shield gives units like MACG-18 the opportunity to integrate with forces across the Indo-Pacific to train in successful employment and operations that demonstrate the strength and versatility of the Joint Force. (U.S. Marine Corps photo by Cpl. Tyler Harmon)
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)
Lieutenant General Smith was commissioned through the NROTC program at the University of North Carolina at Chapel Hill in May 1985. A career infantry officer, his assignments in the operating forces include Rifle Platoon Commander and 81mm Mortar Platoon Commander in 2d Battalion, 1st Marines; Logistics Officer and Rifle Company Commander in 1st Battalion, 3d Marines; and Commanding Officer, 1st Force Reconnaissance Company, during which he deployed twice in support of Operation Iraqi Freedom.
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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 Peter A. Siaw was born in Chicago, Illinois. He reported to Marine Corps Recruit Depot (MCRD) San Diego, California in April 1993 for recruit training. He subsequently completed Marine Combat Training at Camp Pendleton, California, and Personnel Administration School at Camp Lejeune, North Carolina. He has attended all required
Master Chief Ziervogel enlisted in the Navy in August of 1989. Following Basic Training in Orlando, Florida he successfully completed the Navy Nuclear Power Training Pipeline. From October 1991 to December 1996 he served as a member of Reactor Control Division onboard USS Nebraska (SSBN 739 Gold) through New Construction and Commissioning,