II Marine Expeditionary Force
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| II Marine Expeditionary Force | |
|---|---|
 Lance Cpl Cheyenne Stillion · CC BY-SA 4.0 · source | |
| Unit name | II Marine Expeditionary Force |
| Caption | Emblem |
| Dates | 1962–present |
| Country | United States |
| Branch | United States Marine Corps |
| Type | Marine Air-Ground Task Force |
| Role | Expeditionary operations |
| Size | Corps-level |
| Garrison | Marine Corps Base Camp Lejeune |
| Nickname | II MEF |
| Motto | "Power to the Edge" |
| Battles | Vietnam War, Operation Desert Storm, Operation Iraqi Freedom, War in Afghanistan (2001–2021) |
| Notable commanders | James Mattis, Harold G. Moore, John F. Kelly |
II Marine Expeditionary Force
II Marine Expeditionary Force is a principal warfighting organization of the United States Marine Corps headquartered at Marine Corps Base Camp Lejeune, responsible for providing combat-ready Marine Air-Ground Task Force capabilities to support United States Atlantic Command, United States European Command, United States Central Command, and allied operations. As a corps-level formation, it integrates II Marine Expeditionary Force (Forward), aviation wings, and logistics groups to conduct amphibious assaults, expeditionary operations, and crisis response in coordination with the United States Navy, United States Army, United States Air Force, and NATO partners.
History
II Marine Expeditionary Force traces origins to the post-World War II reorganization that produced Marine corps formations tasked with rapid deployment, evolving through the Cold War into a principal amphibious and expeditionary force capable of global response. During the Vietnam War elements deployed in support of Marine expeditionary operations alongside units from the 7th Marine Regiment, 2nd Marine Division, and 1st Marine Aircraft Wing, later contributing to operations in Operation Desert Shield and Operation Desert Storm during the Gulf War. In the post-9/11 period, II MEF components participated in Operation Iraqi Freedom and the War in Afghanistan (2001–2021), working with formations such as I Marine Expeditionary Force, Marine Expeditionary Unit (Special Operations Capable), II Marine Expeditionary Force (Forward), and coalition partners from the United Kingdom, Australia, Canada, and NATO.
Organization and Structure
II MEF's structure aligns with the Marine Air-Ground Task Force concept, comprising a ground combat element, an aviation combat element, and a logistics combat element under a command element headquartered at Marine Corps Base Camp Lejeune. The ground combat element typically includes units from the 2nd Marine Division such as regiments like the 6th Marine Regiment and 8th Marine Regiment, while the aviation combat element is provided by wings including 2nd Marine Aircraft Wing and squadrons like VMFA-312 and VMA-223. The logistics combat element is formed by 2nd Marine Logistics Group units including combat logistics regiments and Combat Logistics Battalion 2. The command element maintains liaison with the United States European Command, United States Southern Command, and joint staffs such as United States Joint Forces Command.
Operations and Deployments
II MEF forces have conducted expeditionary operations, amphibious assaults, and stability missions in theaters ranging from the Caribbean to the Persian Gulf and Horn of Africa. Major deployments involved participation in Operation Enduring Freedom, Operation Iraqi Freedom, Operation Sea Angel, and humanitarian missions responding to disasters like Hurricane Katrina and the 2004 Indian Ocean earthquake and tsunami, coordinating with agencies such as the United States Agency for International Development, Department of State, and multinational forces from France, Germany, Japan, and South Korea. II MEF contingents have also taken part in exercises such as Exercise Trident Juncture, Bold Alligator, African Lion, and RIMPAC alongside the Royal Navy, Royal Australian Navy, and Canadian Armed Forces.
Training and Readiness
Training regimes for II MEF emphasize combined-arms integration, amphibious warfare, and expeditionary logistics, utilizing ranges and training centers like Camp Lejeune, Marine Corps Air Station Cherry Point, and Twentynine Palms for live-fire exercises and maneuver. Exercises incorporate doctrine from institutions such as the Marine Corps Warfighting Laboratory, Naval War College, and Joint Readiness Training Center, and include integration with Carrier Strike Group and Amphibious Ready Group elements. Predeployment training follows the Unit Deployment Program model and certification processes linked to U.S. Transportation Command and Joint Chiefs of Staff readiness reporting.
Equipment and Capabilities
II MEF fields combined-arms equipment including armored vehicles like the M1 Abrams, Light Armored Vehicle (United States), and Amphibious Assault Vehicle alongside infantry systems such as the M27 Infantry Automatic Rifle and M4 carbine. Aviation assets include aircraft from the F/A-18 Hornet and F-35 Lightning II families, rotary-wing platforms like the CH-53E Super Stallion and MV-22 Osprey, and unmanned systems interoperable with MQ-9 Reaper and tactical UAVs. Logistics and sustainment rely on platforms such as the Logistics Vehicle System Replacement and engineering equipment compatible with Naval Construction Battalions (Seabees). Command, control, communications, computers, intelligence, surveillance, and reconnaissance are supported by systems interoperable with Global Command and Control System, Link 16, and AN/TPQ-36 radars.
Leadership and Command
II MEF is commanded by a lieutenant general who reports to the Commandant of the Marine Corps and coordinates with combatant commanders including the Commander, United States Fleet Forces Command and theater commanders such as the Commander, United States Northern Command. Notable commanders and senior leaders associated with II MEF include officers who later served in positions like Secretary of Defense and Chairman of the Joint Chiefs of Staff, reflecting links to leaders who advanced through commands including 1st Marine Division and III MEF.
Honors and Unit Awards
Elements of II MEF have received unit citations and commendations for operations in conflicts and humanitarian missions, earning awards associated with participation in campaigns like the Vietnam Campaign Medal (United States), Southwest Asia Service Medal, and unit recognitions from the Department of the Navy and allied governments such as honors issued by United Kingdom and Australia for coalition operations. Individual units within II MEF have been decorated with citations for valor and meritorious service during engagements in Iraq, Afghanistan, and multinational exercises.