U.S. Marines
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| U.S. Marines | |
|---|---|
| Unit name | United States Marine Corps |
| Country | United States |
| Branch | Department of the Navy |
| Type | Amphibious expeditionary force |
| Motto | Semper Fidelis |
U.S. Marines
The U.S. Marines are a maritime expeditionary force organized under the Department of the Navy that conducts amphibious and expeditionary operations. Established in the 18th century during the era of the Revolutionary War, they have served in conflicts ranging from the Barbary Wars and the 1812 to the Great War, World War II, Korean War, Vietnam War, Operation Desert Storm, Iraq War, and Afghanistan. Their institutional links to the United States Navy and operations alongside the United States Army, United States Air Force, USSOCOM, and allied forces such as Royal Marines and Japan Ground Self-Defense Force have shaped their doctrine and capabilities.
History
The Corps traces its origin to the Continental Congress authorization in 1775 and early actions at Bunker Hill and Trenton alongside Continental Army units, later formalized by laws of the United States Congress and presidential directives in the 19th and 20th centuries. During the 19th century engagements like the Battle of Derna (1805), the Mexican–American War amphibious landings, and expeditionary duties in the Philippine–American War expanded their seaborne assault reputation. The Corps' role in 20th-century conflicts—Belleau Wood, Iwo Jima, Okinawa, and Guadalcanal in World War II—and Cold War actions during the Korean War landing at Inchon and Vietnam War operations influenced joint doctrine with the Joint Chiefs of Staff and NATO partners. Post‑Cold War operations including Operation Urgent Fury, Operation Restore Hope, Operation Enduring Freedom, and Operation Iraqi Freedom reflect evolving expeditionary and counterinsurgency missions, with legal and policy oversight from the National Security Council and congressional defense committees.
Organization and Structure
The Corps is organized into Marine Air-Ground Task Force (MAGTF) constructs—Marine Expeditionary Force, Marine Expeditionary Brigade, and Marine Expeditionary Unit—integrating aviation units such as F/A-18 squadrons and tiltrotor aircraft like the V-22 Osprey with infantry battalions, armored units including M1 Abrams, and logistics elements like Combat Logistics Regiment formations. Headquarters entities include Headquarters Marine Corps, the Commandant of the Marine Corps, and service staff that coordinate with the Department of Defense components, unified combatant commands such as United States Indo-Pacific Command and United States Central Command, and joint task forces during multinational exercises like RIMPAC and NATO Exercise Trident Juncture.
Roles and Missions
Primary missions emphasize amphibious assault capability, power projection from sea using amphibious ships such as Wasp-class amphibious assault ship and America-class amphibious assault ship, crisis response, and forward presence to support regional partners like Philippines Armed Forces and Republic of Korea Armed Forces. Secondary missions include embassy security detachments in coordination with the United States Department of State, security cooperation with allies including United Kingdom, Australia, and Japan, and participation in humanitarian assistance and disaster relief operations alongside United States Agency for International Development and multinational coalitions.
Training and Education
Recruit training occurs at Marine Corps Recruit Depot Parris Island and Marine Corps Recruit Depot San Diego with initial skill development in follow-up training at School of Infantry units, and advanced professional military education at institutions such as Marine Corps University, United States Naval War College, and joint colleges like NATO Defence College. Specialties and advanced courses include Basic Reconnaissance Course, Scout Sniper School, Marine Corps Command and Staff College, and The Basic School for newly commissioned officers, with personnel assignments governed by Defense Officer Personnel Management Act policies and professional standards enforced by the Judge Advocate Division and inspectorates.
Equipment and Uniforms
Equipment portfolios include infantry weapons like the M16 rifle, M4 carbine, and M27 IAR; artillery systems such as the M777 howitzer; armored platforms including the LAV-25 and AAVP-7A1; aviation assets like the AH-1Z Viper, F-35B Lightning II, and CH-53E Super Stallion; and logistical support vehicles coordinated with Military Sealift Command. Uniforms and insignia follow tradition with service dress uniforms, utility uniforms, and ceremonial items; historic uniforms reference periods like the Civil War and World War I, while modern uniform policy aligns with Department of Defense Instruction standards and includes distinctive emblems such as the Eagle, Globe, and Anchor and awards like the Medal of Honor and Navy Cross for valor.
Culture and Traditions
The Corps' culture emphasizes values exemplified by the motto Semper Fidelis and institutional rituals including the Marine Corps Birthday observance, recruit training traditions at Parris Island, memorials such as the Iwo Jima Memorial, and unit symbols like the Marine Corps Colors. Ceremonial elements include the March of the Marine Corps, Marine bands, and customs surrounding ranks, promotion ceremonies, and unit cohesion reinforced through shared history involving figures like John A. Lejeune, Smedley Butler, and Chesty Puller. Interservice rivalry and cooperation with units such as the United States Navy SEALs, United States Army Rangers, and foreign counterparts contribute to a distinct professional ethos and esprit de corps.