United States Marine Corps (USMC)
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| United States Marine Corps (USMC) | |
|---|---|
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| Unit name | United States Marine Corps |
| Caption | Eagle, Globe, and Anchor |
| Start date | 10 November 1775 |
| Country | United States |
| Branch | Department of the Navy |
| Type | Amphibious infantry force |
| Role | Expeditionary, littoral, combined arms |
| Garrison | The Pentagon, Arlington County, Virginia |
| Motto | "Semper Fidelis" |
| Colors | Scarlet and Gold |
| Anniversaries | 10 November (Birthday) |
United States Marine Corps (USMC) The United States Marine Corps is a branch of the United States Armed Forces charged with expeditionary and amphibious operations, power projection, and crisis response. Established by the Continental Congress in 1775, the Corps has participated in major conflicts from the American Revolutionary War through the War in Afghanistan (2001–2021), shaping doctrine, organization, and force employment across multiple theaters.
History
The Corps traces origins to the United States Continental Marines formed during the American Revolutionary War and later served in the Quasi-War, War of 1812, and the Mexican–American War. During the Civil War, Marines fought at sea and ashore, followed by expeditionary actions in the Banana Wars and the Spanish–American War. In World War I the Corps gained distinction at Belleau Wood and the Meuse-Argonne Offensive, while World War II saw pivotal amphibious assaults at Guadalcanal, Iwo Jima, and Okinawa. The Corps adapted to Cold War conflicts including the Korean War with battles like Chosin Reservoir and the Vietnam War with operations such as Operation Hastings. Post-Cold War engagements included Operation Desert Storm, Operation Enduring Freedom, and Operation Iraqi Freedom, while the Corps has influenced concepts like amphibious warfare, vertical envelopment, and small wars doctrine.
Organization and Command Structure
The Corps is organized under the Secretary of the Navy and commanded by the Commandant of the Marine Corps, a member of the Joint Chiefs of Staff. Principal organizational elements include the Marine Corps Forces (MARFOR), Marine Corps Combat Development Command, and Marine Corps Systems Command. Operational units are grouped into Marine Air-Ground Task Forces (MAGTFs), notably the Marine Expeditionary Force, Marine Expeditionary Brigade, Marine Expeditionary Unit, and specialized elements such as Marine Raider Regiment and 1st Marine Division. Administrative and support structures intersect with the United States Navy, Department of Defense, and combatant commands like U.S. Central Command and U.S. Indo-Pacific Command.
Roles and Missions
The Corps' primary missions encompass expeditionary forcible entry, littoral operations, crisis response, and embassy security exemplified by service at Marine Security Guard detachments. It provides forward-deployed MAGTFs to support NATO operations, United Nations missions, and coalition efforts in theaters including the Indo-Pacific and Europe. Doctrinal emphases include amphibious assault, raid and seizure, humanitarian assistance such as responses to Hurricane Katrina and Operation Tomodachi, and supporting special operations in coordination with United States Special Operations Command.
Personnel and Training
Recruit training begins at Marine Corps Recruit Depot Parris Island or Marine Corps Recruit Depot San Diego with follow-on training at School of Infantry and specialty schools like The Basic School, Officer Candidate School, and Naval Aviation Schools Command. The Corps maintains ranks from enlisted Private (United States Marine Corps) to General and career pathways within occupational fields such as infantry, aviation, logistics, and intelligence. Professional military education includes institutions like the Marine Corps University and joint schools such as the National Defense University. Notable personnel development programs include the Platoon Leaders Class and Enlisted Commissioning Program.
Equipment and Weapons
Marine equipment integrates aviation, ground, and logistics platforms including aircraft like the Lockheed Martin F-35 Lightning II, Boeing MV-22 Osprey, and McDonnell Douglas AV-8B Harrier II historic predecessors. Ground systems include the M1 Abrams, Light Armored Vehicle (LAV), and amphibious platforms such as the Amphibious Assault Ship and Landing Craft Air Cushion. Small arms and crew-served weapons include the M16 rifle, M4 carbine, M27 Infantry Automatic Rifle, and the M2 Browning heavy machine gun. Modernization efforts intersect with programs managed by Congress and acquisitions overseen by Office of the Secretary of Defense and defense contractors.
Operations and Deployments
Marines deploy globally from bases like Camp Lejeune, Marine Corps Base Quantico, and Camp Pendleton, participating in operations including Operation Urgent Fury, Operation Just Cause, Operation Restore Hope, and coalition campaigns during Operation Iraqi Freedom. The Corps frequently conducts exercises with allies such as United Kingdom, Japan Self-Defense Forces, Australia Defence Force, and Philippine Marine Corps through events like RIMPAC and Talisman Sabre. Specialized deployments include security cooperation, embassy security, disaster relief, and rotation to forward bases and amphibious ready groups embarked on U.S. Navy vessels.
Traditions and Culture
The Corps maintains traditions including the emblem Eagle, Globe, and Anchor, the motto "Semper Fidelis", and observances like the Marine Corps Birthday. Ceremonial elements include the Marine Corps Silent Drill Platoon, Color Guard, and rites such as promotion and Eagle, Globe, and Anchor presentation. Cultural touchstones include portrayals in works like Flags of Our Fathers, Full Metal Jacket, Jarhead, and the influence of figures such as John A. Lejeune, Alvin C. York (as cultural comparator), and Smedley Butler. The Corps' ethos emphasizes honor, courage, and commitment reflected in unit histories, awards including the Medal of Honor, and commemorations at sites like the National Museum of the Marine Corps.