United States Marine Corps

The United States Marine Corps (USMC) is a branchWar (1846–1848), the Marines made their famed
of the United States armed forces responsible forassault on Chapultepec Palace in Mexico City, which
providing force projection from the sea,[2] using thewould be later celebrated by the phrase "From The
mobility of the U.S. Navy to rapidly deliverHalls of Montezuma" in Marines' hymn. In the 1850s, the
combined-arms task forces. It is one of sevenMarines would see further service in Panama and
uniformed services of the U.S.. Administratively, theAsia, escorting Matthew Perry's East India Squadron
Marine Corps is a component of the Department ofon its historic trip to the Far East.
the Navy,[3][4] but it acts operationally as a separateWith their vast service in foreign engagements, the
branch of the military, often working closely with USMarine Corps played a moderate role in the Civil War
Naval forces for training, transportation, and logistic(1861–1865); their most prominent task was blockade
purposes.duty. As more and more states seceded from the
Originally organized as the Continental Marines onUnion, about half of the Corps' officers also left the
November 10, 1775 as naval infantry, the Marine CorpsUnion to join the Confederacy and form the
has evolved in its mission with changing militaryConfederate States Marine Corps, which ultimately
doctrine and American foreign policy. The Marineplayed little part in the war. The battalion of recruits
Corps has served in every American armed conflictformed for the First Battle of Bull Run (First Manassas)
and attained prominence in the 20th century when itsperformed poorly, retreating with the rest of the Union
theories and practice of amphibious warfare provedforces.
prescient and ultimately formed the cornerstone of theThe remainder of the 19th century was marked by
Pacific campaign of World War II.[5] By the mid 20thdeclining strength and introspection about the mission
century, the Marine Corps had become the dominantof the Marine Corps. The U.S. Navy's transition from
theorist and practitioner of amphibious warfare.[6][7][8]sail to steam put into question the need for Marines on
Its ability to respond rapidly to regional crises gives it anaval ships. Meanwhile, Marines served as a
strong role in the implementation and execution ofconvenient resource for interventions and landings to
American foreign policy.protect American lives and interests overseas. The
Television"> SizeThe United States Marine Corps, withCorps was involved in over 28 separate interventions
194,000 active duty and 40,000 reserve Marines,[10] isin the 30 years from the end of the American Civil
the smallest of the United States' armed forces in theWar to the end of 19th century. They would also be
Department of Defense (the United States Coastcalled upon to stem political and labor unrest within the
Guard is smaller, about one fifth the size of the MarineUnited States.[26] Under Commandant Jacob Zeilin's
Corps, but serves under Homeland Security). Thetenure, Marine customs and traditions took shape: the
Corps is nonetheless larger than the entire armedCorps adopted the Marine Corps emblem on
forces of many significant military powers; forNovember 19, 1868. It was also during this time that
example, it is larger than the active duty Israel Defense"The Marines' Hymn" was first heard. Around 1883, the
Forces or the whole of the British Army.Marines adopted their current motto "Semper Fidelis"
The United States Marine Corps serves as an(Latin: Always Faithful).
amphibious force-in-readiness. As outlined in 10 U.S.C.John Philip Sousa, the musician and composer, enlisted
§ 5063, and originally introduced under the Nationalas a Marine apprentice at the age of 13, serving from
Security Act of 1947, it has three primary areas of1867 until 1872, and again from 1880 to 1892 as the
responsibility:leader of the Marine Band.
"The seizure or defense of advanced naval basesDuring the Spanish–American War (1898), Marines
and other land operations to support naval campaigns;led U.S. forces ashore in the Philippines, Cuba, and
The development of tactics, technique, and equipmentPuerto Rico, demonstrating their readiness for
used by amphibious landing forces; anddeployment. At Guantánamo Bay, Cuba, the Marines
Such other duties as the President may direct."seized an advanced naval base that remains in use
This last clause, while seemingly redundant given thetoday. Between 1899 and 1916, the Corps continued its
President's position as Commander-in-Chief, is arecord of participation in foreign expeditions, including
codification of the expeditionary duties of the Marinethe Philippine-American War, the Boxer Rebellion in
Corps. It derives from similar language in theChina (1899–1901), Panama, the Cuban Pacifications,
Congressional Acts "For the Better Organization of thethe Perdicaris Incident in Morocco, Veracruz, Santo
Marine Corps" of 1834, and "Establishing andDomingo, and the Banana Wars in Haiti and Nicaragua;
Organizing a Marine Corps" of 1798. In 1951, the Housethe experiences gained in counter-insurgency and
of Representatives' Armed Services Committee calledguerrilla operations during this period were consolidated
the clause "one of the most importantinto the Small Wars Manual.
statutory—and traditional—functions of the MarineDuring World War I veteran Marines served a central
Corps." It noted that the Corps has more often thanrole in the late American entry into the conflict. Unlike
not performed actions of a non-naval nature, includingthe U.S. Army, the Marine Corps had a deep pool of
its famous actions in the War of 1812, at Tripoli,officers and NCOs with battle experience, and
Chapultepec, numerous counter-insurgency andexperienced a relatively smaller expansion. Here, the
occupational duties (such as those in Central America),Marines fought their famed battle at Belleau Wood,
World War I, and the Korean War. While these actionscreating the Marines' reputation in modern history. While
are not accurately described as support of navalits previous expeditionary experiences had not earned
campaigns nor as amphibious warfare, their commonit much acclaim in the Western world, the Marines'
thread is that they are of an expeditionary nature,fierceness and toughness in France earned them the
using the mobility of the Navy to provide timelyrespect of the Germans, who rated them of
intervention in foreign affairs on behalf of Americanstormtrooper quality. Though Marines and American
interests.media reported that Germans had nicknamed them
In addition to its primary duties, the Marine Corps hasTeufel Hunden as meaning "Devil Dogs," there is no
missions in direct support of the White House and theevidence of this in German records (as Teufelshunde
State Department. The Marine Band, dubbed thewould be the proper German phrase), it was possibly
"President's Own" by Thomas Jefferson, providesAmerican propaganda. Nevertheless, the name
music for state functions at the White House. Marinesstuck.[28] The Corps had entered the war with 511
guard presidential retreats, including Camp David,[14]officers and 13,214 enlisted personnel, and by
and the Marines of the Executive Flight Detachment ofNovember 11, 1918 had reached a strength of 2,400
HMX-1 provide helicopter transport to the Presidentofficers and 70,000 men.[29]
and Vice President, using the call signs "Marine One"Between the World Wars, the Marine Corps was
and "Marine Two" respectively. By authority of theheaded by Commandant John A. Lejeune, and under
1946 Foreign Service act, the Marine security guardshis leadership, the Corps presciently studied and
of the Marine Embassy Security Command providedeveloped amphibious techniques that would be of
security for American embassies, legations, andgreat use in World War II. Many officers, including Lt.
consulates at over 110 posts worldwide.Col. Earl Hancock "Pete" Ellis, foresaw a war in the
At its founding, the Marine Corps was composed ofPacific with Japan and took preparations for such a
infantry serving aboard naval vessels and wasconflict. Through 1941, as the prospect of war grew,
responsible for the security of the ship and her crewthe Corps pushed urgently for joint amphibious
by conducting offensive and defensive combat duringexercises and acquired amphibious equipment that
boarding actions, and defending the ship's officers fromwould prove of great use in the upcoming conflict.
mutiny; to the latter end, their quarters on ship wereUS Marines on Iwo Jima raise the American flag.
often strategically positioned between the officers'In World War II, the Marines played a central role in the
quarters and the rest of the vessel. ContinentalPacific War. The battles of Guadalcanal, Tarawa,
Marines were also responsible for manning raidingCape Gloucester, Saipan, Peleliu, Iwo Jima, and
parties, both at sea and ashore. America's firstOkinawa saw fierce fighting between U.S. Marines and
amphibious assault landing occurred early in thethe Imperial Japanese Army.
Revolutionary War as the Marines gained control of aPhilip Johnston proposed the use of Navajo as a code
British ammunition depot and naval port in Newlanguage to the Corps. The idea was accepted, and
Providence, Bahamas. The role of the Marine Corpsthe Navajo code was formally developed and
has since expanded significantly; as the importance ofmodeled on the Joint Army/Navy Phonetic Alphabet.
its original naval mission declined with changing navalDuring the battle of Iwo Jima, photographer Joe
warfare doctrine and the professionalization of theRosenthal took the famous photograph Raising the
Naval service, the Corps adapted by focusing on whatFlag on Iwo Jima of five Marines and one Navy
were formerly secondary missions ashore. TheCorpsman raising the American flag on Mt. Suribachi.
Advanced Base doctrine of the early 20th centurySecretary of the Navy James Forrestal, having come
codified their combat duties ashore, outlining the use ofashore earlier that day, said of the flag raising, "...the
Marines in the seizure of bases and other duties onraising of that flag on Suribachi means a Marine Corps
land to support naval campaigns. The Marines wouldfor the next five hundred years." The acts of the
also develop tactics and techniques of amphibiousMarines during the war added to their already
assault on defended coastlines in time for use in Worldsignificant popular reputation. By war's end, the Corps
War II.[16] Its original mission of providing shipboardexpanded from two brigades to six divisions, five air
security finally ended in the 1990s, when the last Marinewings, and supporting troops, totaling about 485,000
security detachments were withdrawn from U.S. NavyMarines. In addition, 20 defense battalions and a
ships.parachute battalion were set raised.[31] Nearly 87,000
While the Marine Corps does not employ any uniqueMarines were casualties during World War II (including
combat arms, as a force it has the unique ability tonearly 20,000 killed), and 82 were awarded the Medal
rapidly deploy a combined-arms task force to almostof Honor.[32]
anywhere in the world within days. The basic structureDespite Secretary Forrestal's prediction, the Corps
for all deployed units is a Marine Air-Ground Taskfaced an immediate institutional crisis following the war.
Force (MAGTF) that integrates a ground combatArmy generals pushing for a strengthened and
element, an aviation combat element, and a logisticsreorganized defense establishment also attempted to
combat element combat component under a commonfold the Marine mission and assets into the Navy and
command element. While the creation of jointArmy. Drawing on hastily assembled Congressional
commands under the Goldwater-Nichols Act hassupport, the Marine Corps rebuffed such efforts to
improved inter-service coordination between the U.S.dismantle the Corps, resulting in statutory protection of
military services, the Corps' ability to permanentlythe Marine Corps in the National Security Act of
maintain integrated multi-element task forces under a1947.[33] Shortly afterward, in 1952 the
single command provides a smoother implementationDouglas-Mansfield Bill afforded the Commandant an
of combined-arms warfare principles.[5]equal voice with the Joint Chiefs of Staff on matters
The close integration of disparate Marine units stemsrelating to the Marines and established the structure of
from an organizational culture centered around thethree active divisions and air wings that remain today.
infantry. Every other Marine capability exists to supportThe Korean War (1950–1953) saw the hastily
the infantry. Unlike some Western militaries, the Corpsformed Provisional Marine Brigade holding the
remained conservative against theories proclaiming thedefensive line at the Pusan Perimeter. To execute a
ability of new weapons to win wars independently. Forflanking maneuver, General Douglas MacArthur called
example, Marine Aviation has always been focused onon Marine air and ground forces to make an
close air support and has remained largely uninfluencedamphibious landing at Inchon. The successful landing
by air power theories proclaiming that strategicresulted in the collapse of North Korean lines and the
bombing can single-handedly win wars.pursuit of North Korean forces north near the Yalu
This focus on the infantry is matched with the doctrineRiver until the entrance of the People's Republic of
that "Every Marine is a rifleman," a focus ofChina into the war. Chinese troops surrounded,
Commandant Alfred M. Gray, Jr., emphasizing thesurprised and overwhelmed the overextended and
infantry combat abilities of every Marine. All enlistedoutnumbered American forces. X Corps, which
Marines, regardless of military specialization, receiveincluded the 1st Marine Division and the Army's 7th
training as a rifleman; all officers receive training asInfantry Division, regrouped and inflicted heavy
infantry platoon commanders.[17] The value of thiscasualties during their fighting withdrawal to the coast,
culture has been demonstrated many times throughoutnow known as the Battle of Chosin Reservoir. Marines
history. For example, at Wake Island, when all of thewould continue a battle of attrition around the 38th
Marine aircraft were shot down, pilots continued theParallel until the 1953 armistice.[34] The Korean War
fight as ground officers, leading supply clerks andsaw the Corps expand from 75,000 regulars to a
cooks in a final defensive effort.[18] As a result, a largeforce of 261,000 Marines, mostly reservists. 30,544
degree of initiative and autonomy is expected of juniorMarines were killed or wounded during the war and 42
Marines, particularly the NCOs, (corporals andwere awarded the Medal of Honor.[35]
sergeants), as compared with many other militaryThe Marine Corps served an important role in the
organizations. The Marine Corps emphasizes authorityVietnam War taking part in such battles as Da Nang,
and responsibility downward to a greater degree thanHue City, and Khe Sanh. Individuals from the USMC
the other military services. Flexibility of execution isoperated in the Northern I Corps Regions of South
implemented via an emphasis on "commander's intent"Vietnam. While there, they were constantly engaged in
as a guiding principle for carrying out orders; specifyinga guerilla war against the National Front for the
the end state but leaving open the method ofLiberation of South Vietnam (NLF) and an intermittent
execution.[19]conventional war against the North Vietnamese Army
The amphibious assault techniques developed for(NVA). Portions of the Corps were responsible for the
World War II evolved, with the addition of air assaultless-known Combined Action Program (CAP) that
and maneuver warfare doctrine, into the currentimplemented unconventional techniques for
"Operational Maneuver from the Sea" doctrine ofcounter-insurgency and worked as military advisors to
power projection from the seas.[2] The Marines arethe Republic of Vietnam Marine Corps. Marines were
credited with the development of helicopter insertionwithdrawn in 1971, and returned briefly in 1975 to
doctrine and were the earliest in the American militaryevacuate Saigon and attempt a rescue of the crew
to widely adopt maneuver-warfare principles, whichof the Mayagüez.
emphasize low-level initiative and flexible execution.Vietnam was the longest war for Marines; by its end,
The U.S. Marine Corps relies on the U.S. Navy for13,091[37][38] were killed in action, 51,392 were
sealift to provide its rapid deployment capabilities. Inwounded, and 57 Medals of Honor were
addition to basing a third of the Marine Corpsawarded.[39][40] Due to policies concerning rotation,
Operating Forces in Japan, Marine Expeditionary Unitsmore Marines were deployed for service during
(MEU) are typically stationed at sea. This allows theVietnam than World War II.
ability to function as first responders to internationalWhile recovering from Vietnam, the Corps hit a
incidents. The U.S. Army now maintains light infantrydetrimental low point in its service history caused by
units capable of rapid worldwide deployment, but thosecourts-martial and Non-Judicial Punishments related
units do not match the combined-arms integration of apartially to increased Unauthorized Absences and
MAGTF, and lack the logistics that the NavyDesertions during the war. Overhauling of the Corps
provides.[5] For this reason, the Marine Corps is oftenbegan in the late 1970s, discharging the most delinquent,
assigned to non-combat missions such as theand once quality of new recruits improved, the Corps
evacuation of Americans from unstable countries andfocused on reforming the NCO Corps, a vital
humanitarian relief of natural disasters. In largerfunctioning part of its forces.[5]
conflicts, Marines act as a stopgap, to get into and holdAfter Vietnam, the Marines resumed their
an area until larger units can be mobilized. The Corpsexpeditionary role, participating in the 1980 Iran hostage
performed this role in World War I, and the Koreanrescue attempt Operation Eagle Claw, the invasion of
War, where Marines were the first significant combatGrenada (Operation Urgent Fury) and the invasion of
units deployed from the United States and held the linePanama (Operation Just Cause). On October 23, 1983,
until the country could mobilize for war.the Marine headquarters building in Beirut, Lebanon,
The United States Marine Corps traces its institutionalwas bombed, causing the highest peacetime losses to
roots to the Continental Marines of the Americanthe Corps in its history (220 Marines and 21 other
Revolutionary War, formed at Tun Tavern inservice members of the 24th Marine Expeditionary
Philadelphia, by a resolution of the Second ContinentalUnit were killed) and leading to the American
Congress on November 10, 1775 to raise 2 battalionswithdrawal from the country. The year of 1990 saw
of Marines. That date is regarded and celebrated asMarines of the Joint Task Force Sharp Edge save
the date of the Marine Corps' "birthday". At the end ofthousands of lives by evacuating the British, French
the American Revolution in 1783, both the Continentaland American Nationals from the violence of the
Navy and Continental Marines were disbanded, andLiberian Civil War. During the Persian Gulf War
although individual Marines were enlisted for the few(1990–1991), Marine task forces formed the initial
American naval vessels left, the institution itself wouldcore for Operation Desert Shield, while U.S. and
not be resurrected until 1798. In that year, in preparationCoalition troops mobilized, and later liberated Kuwait in
for the Naval War with France, Congress created theOperation Desert Storm.[23] U.S. Marines participated in
United States Navy and Marine Corps.combat operations in Somalia (1992–1995) during
The Marines' most famous action of this periodOperations Restore Hope, Restore Hope II, and United
occurred during the First Barbary War (1801–1805)Shield to provide humanitarian relief.
against the Barbary pirates,[22] when William EatonFollowing the September 11, 2001 attacks President
and First Lieutenant Presley O'Bannon led sevenGeorge W. Bush announced a War on Terrorism. The
Marines and 300 mercenaries in an effort to capturestated objective of the Global War on Terror is "the
Tripoli. Though they only reached Derna, the action atdefeat of Al-Qaeda, other terrorist groups and any
Tripoli has been immortalized in the Marines' hymn andnation that supports or harbors terrorists".[43] Since
the Mameluke Sword carried by Marine officers.then, the Marine Corps, alongside other military and
During the War of 1812, Marine naval detachmentsfederal agencies, has engaged in global operations
took part in the great frigate duels that characterizedaround the world in support of that mission.
the war, which were the first American victories in theMarines and other U.S. forces began staging in
conflict. Their most significant contributions werePakistan and Uzbekistan on the border of Afghanistan
delaying the British march to Washington, D.C. at theas early as October 2001 in preparation for Operation
Battle of Bladensburg and holding the center of Gen.Enduring Freedom.[44] The 15th and 26th Marine
Andrew Jackson's defensive line at the defense ofExpeditionary Units were the first conventional forces
New Orleans. By the end of the war, the Marines hadinto Afghanistan in support of Operation Enduring
acquired a well-deserved reputation as expertFreedom in November 2001, and in December, the
marksmen, especially in ship-to-ship actions.Marines seized Kandahar International Airport.[45]
After the war, the Marine Corps fell into a depressionSince, then Marine battalions and squadrons have been
that ended with the appointment of Archibaldrotating through, engaging Taliban and Al-Qaeda
Henderson as its fifth commandant in 1820. Under hisforces.
tenure, the Corps took on expeditionary duties in theIn 2002, Combined Joint Task Force - Horn of Africa
Caribbean, the Gulf of Mexico, Key West, West(CJTF-HOA) was stood up at Camp Lemonier to
Africa, the Falkland Islands, and Sumatra. Commandantprovide regional security.[46] Despite transferring
Henderson is credited with thwarting Presidentoverall command to the U.S. Navy in 2006, the Marines
Jackson's attempts to combine and integrate thehave continued to operate in the Horn of Africa into
Marine Corps with the Army.[23] Instead, Congress2007.
passed the Act for the Better Organization of theMost recently, the Marines have served prominently in
Marine Corps in 1834, stipulating that the Corps wasthe Iraq War. The I Marine Expeditionary Force, along
part of the Department of the Navy as a sisterwith the Army's 3rd Infantry Division, spearheaded the
service to the U.S. Navy.[24] This would be the first of2003 invasion of Iraq.[48] During the occupation of Iraq,
many times that the existance of the Corps wasMarines spearheaded both assaults on the city of
challenged.Fallujah in April (Operation Vigilant Resolve) and
Commandant Henderson volunteered the Marines forNovember 2004 (Operation Phantom Fury).[49] Their
service in the Seminole Wars of 1835, personallytime in Iraq has also courted controversy with the
leading nearly half of the entire Corps (two battalions)Haditha incident and the Hamdania incident.[44][50]
to war. A decade later, in the Mexican–AmericanThey currently continue to operate throughout Iraq.