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III MARINE EXPEDITIONARY FORCE
III MEF Logo
FORWARD. FAITHFUL. FOCUSED.

Mission

III MEF provides the United States with a forward-deployed force in readiness in the Pacific Theater, as a globally responsive, expeditionary, and fully scalable Marine Air Ground Task Force (MAGTF), capable of generating, deploying, and employing forces for crisis response, forward presence, major combat operations, and campaigns.

 

  • Helicopter rope suspension techniques teach Marines proper knots, rappelling techniques and build confidence for maneuvering from air to ground. (U.S. Marine Corps photo by Cpl. Tyler Andrews)
  • The purpose of this training is to sharpen the LCT’s weapons handling skills and increase their readiness for future exercises and operations. (U.S. Marine Corps photo by Cpl. Eric Huynh)
  • MASA is a bilateral exercise between the Armed Forces of the Philippines and the U.S. Marine Corps, aimed at enhancing interoperability and coordination focused on aviation-related capabilities. During MASA 23, Filipino and U.S. Marines conduct different training evolutions, including live-fire, air assaults, and subject matter expert exchanges across aviation, ground, and logistics capabilities. Perez is a Los Angeles native. (U.S. Marine Corps photo by Cpl. Sean A. Potter)
  • The 31st MEU is operating aboard ships of the America Amphibious Ready Group in the 7th Fleet area of operations to enhance interoperability with allies and partners and serve as a ready response force to defend peace and stability in the Indo-Pacific region. (U.S. Marine Corps photo by Lance Cpl. Elijah Murphy)
  • U.S. Marine Corps F/A-18 Hornets assigned to Marine Fighter Attack Squadron (VMFA) 323, Marine Aircraft Group 11, 3rd Marine Aircraft Wing, fly in formation during a trans-Pacific flight en route to Marine Aviation Support Activity (MASA) 23, at sea, July 8, 2023. MASA is a bilateral exercise between the Armed Forces of Philippines and the U.S. Marine Corps, aimed at enhancing interoperability and coordination focused on aviation-related capabilities.
  • U.S. Marine Corps Lt. Gen. James Bierman, center right, commanding general of III Marine Expeditionary Force, shakes hands with Lt. Gen. Yamane Toshikazu, center, commanding general of Western Army, Japan Ground Self-Defense Force.

 

III MEF Press Release

 

III MEF Unit News