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III Marine Expeditionary Force (MEF) Support Battalion provides and coordinates direct combat service support (CSS), security, and administrative services to III Marine Expeditionary Force (MEF), 3d Marine Expeditionary Brigade (MEB), and III MEF Information Group (MIG) Command Elements (CE) in order to enable III MEF to win in competition and conflict.
NAVAL STATION LEOVIGILDO GANTIOQUI, Philippines – U.S. Marines with 3d Littoral Anti-Air Battalion, 3d Marine Littoral Regiment, alongside Philippine Airmen with 960th Air and Missile Defense Group, concluded one of six Combined Joint All-Domain Operations (CJADO) events during Exercise Balikatan 25, April 27, 2025. The Integrated Air and Missile Defense (IAMD) was held at Naval Station Leovigildo Gantioqui from April 25 - 27 and included live- and dry-fire demonstrations from the U.S. Marine Corps, U.S. Army, and Philippine Air Force’s counter-unmanned aerial systems (c-UAS) weapon systems.
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NORTHERN LUZON, Philippines – U.S. Marines with 3d Marine Littoral Regiment, 3d Marine Division, deployed to the Philippines in support of Exercise Balikatan 25, scheduled for April 21 to May 9, 2025. During this year’s iteration of the Integrated Air and Missile Defense event (IAMD), one of the 6 Combined Joint All-Domain Operations events scheduled during Balikatan 25, U.S. Marines with 3d Littoral Anti-Air Battalion’s Ground-Based Air Defense Battery (GBAD) will conduct live-fire training with the newly fielded Marine Air Defense Integrated System (MADIS).
MARINE CORPS BASE HAWAII, HAWAII – Since January 14, a platoon of U.S. Marines with 1st Reconnaissance Battalion, 1st Marine Division has been conducting training on Marine Corps Base Hawaii in preparation for integrating with 3d Marine Littoral Regiment and its subordinate battalions while forward in the Philippines for Exercise Balikatan 25.
A U.S. Marine with III Marine Expeditionary Force throws an M67 fragmentation grenade during a training range on Camp Hansen, Okinawa, Japan, May 16,...
U.S. Marine Corps Cpl. Roberto ZintzunLuna a motor transport operator with III Marine Expeditionary Force Support Battalion, III MEF Information...
Sergeant Major Sim reported to Marine Corps Recruit Depot (MCRD) San Diego, California in October
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Lieutenant Colonel Kieran R. O’Neil is a native of New York, NY. He graduated from the U.S. Naval