| The United States Marine Corps (USMC) is a branch | | | | War (1846–1848), the Marines made their famed |
| of the United States armed forces responsible for | | | | assault on Chapultepec Palace in Mexico City, which |
| providing force projection from the sea,[2] using the | | | | would be later celebrated by the phrase "From The |
| mobility of the U.S. Navy to rapidly deliver | | | | Halls of Montezuma" in Marines' hymn. In the 1850s, the |
| combined-arms task forces. It is one of seven | | | | Marines would see further service in Panama and |
| uniformed services of the U.S.. Administratively, the | | | | Asia, escorting Matthew Perry's East India Squadron |
| Marine Corps is a component of the Department of | | | | on its historic trip to the Far East. |
| the Navy,[3][4] but it acts operationally as a separate | | | | With their vast service in foreign engagements, the |
| branch of the military, often working closely with US | | | | Marine 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 on | | | | Union, about half of the Corps' officers also left the |
| November 10, 1775 as naval infantry, the Marine Corps | | | | Union to join the Confederacy and form the |
| has evolved in its mission with changing military | | | | Confederate States Marine Corps, which ultimately |
| doctrine and American foreign policy. The Marine | | | | played little part in the war. The battalion of recruits |
| Corps has served in every American armed conflict | | | | formed for the First Battle of Bull Run (First Manassas) |
| and attained prominence in the 20th century when its | | | | performed poorly, retreating with the rest of the Union |
| theories and practice of amphibious warfare proved | | | | forces. |
| prescient and ultimately formed the cornerstone of the | | | | The remainder of the 19th century was marked by |
| Pacific campaign of World War II.[5] By the mid 20th | | | | declining strength and introspection about the mission |
| century, the Marine Corps had become the dominant | | | | of 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 a | | | | naval ships. Meanwhile, Marines served as a |
| strong role in the implementation and execution of | | | | convenient resource for interventions and landings to |
| American foreign policy. | | | | protect American lives and interests overseas. The |
| Television"> SizeThe United States Marine Corps, with | | | | Corps was involved in over 28 separate interventions |
| 194,000 active duty and 40,000 reserve Marines,[10] is | | | | in the 30 years from the end of the American Civil |
| the smallest of the United States' armed forces in the | | | | War to the end of 19th century. They would also be |
| Department of Defense (the United States Coast | | | | called upon to stem political and labor unrest within the |
| Guard is smaller, about one fifth the size of the Marine | | | | United States.[26] Under Commandant Jacob Zeilin's |
| Corps, but serves under Homeland Security). The | | | | tenure, Marine customs and traditions took shape: the |
| Corps is nonetheless larger than the entire armed | | | | Corps adopted the Marine Corps emblem on |
| forces of many significant military powers; for | | | | November 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 National | | | | as a Marine apprentice at the age of 13, serving from |
| Security Act of 1947, it has three primary areas of | | | | 1867 until 1872, and again from 1880 to 1892 as the |
| responsibility: | | | | leader of the Marine Band. |
| "The seizure or defense of advanced naval bases | | | | During 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 equipment | | | | Puerto Rico, demonstrating their readiness for |
| used by amphibious landing forces; and | | | | deployment. 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 the | | | | today. Between 1899 and 1916, the Corps continued its |
| President's position as Commander-in-Chief, is a | | | | record of participation in foreign expeditions, including |
| codification of the expeditionary duties of the Marine | | | | the Philippine-American War, the Boxer Rebellion in |
| Corps. It derives from similar language in the | | | | China (1899–1901), Panama, the Cuban Pacifications, |
| Congressional Acts "For the Better Organization of the | | | | the Perdicaris Incident in Morocco, Veracruz, Santo |
| Marine Corps" of 1834, and "Establishing and | | | | Domingo, and the Banana Wars in Haiti and Nicaragua; |
| Organizing a Marine Corps" of 1798. In 1951, the House | | | | the experiences gained in counter-insurgency and |
| of Representatives' Armed Services Committee called | | | | guerrilla operations during this period were consolidated |
| the clause "one of the most important | | | | into the Small Wars Manual. |
| statutory—and traditional—functions of the Marine | | | | During World War I veteran Marines served a central |
| Corps." It noted that the Corps has more often than | | | | role in the late American entry into the conflict. Unlike |
| not performed actions of a non-naval nature, including | | | | the 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 and | | | | experienced 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 actions | | | | creating the Marines' reputation in modern history. While |
| are not accurately described as support of naval | | | | its previous expeditionary experiences had not earned |
| campaigns nor as amphibious warfare, their common | | | | it 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 timely | | | | respect of the Germans, who rated them of |
| intervention in foreign affairs on behalf of American | | | | stormtrooper quality. Though Marines and American |
| interests. | | | | media reported that Germans had nicknamed them |
| In addition to its primary duties, the Marine Corps has | | | | Teufel Hunden as meaning "Devil Dogs," there is no |
| missions in direct support of the White House and the | | | | evidence of this in German records (as Teufelshunde |
| State Department. The Marine Band, dubbed the | | | | would be the proper German phrase), it was possibly |
| "President's Own" by Thomas Jefferson, provides | | | | American propaganda. Nevertheless, the name |
| music for state functions at the White House. Marines | | | | stuck.[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 of | | | | November 11, 1918 had reached a strength of 2,400 |
| HMX-1 provide helicopter transport to the President | | | | officers 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 the | | | | headed by Commandant John A. Lejeune, and under |
| 1946 Foreign Service act, the Marine security guards | | | | his leadership, the Corps presciently studied and |
| of the Marine Embassy Security Command provide | | | | developed amphibious techniques that would be of |
| security for American embassies, legations, and | | | | great 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 of | | | | Pacific with Japan and took preparations for such a |
| infantry serving aboard naval vessels and was | | | | conflict. Through 1941, as the prospect of war grew, |
| responsible for the security of the ship and her crew | | | | the Corps pushed urgently for joint amphibious |
| by conducting offensive and defensive combat during | | | | exercises and acquired amphibious equipment that |
| boarding actions, and defending the ship's officers from | | | | would prove of great use in the upcoming conflict. |
| mutiny; to the latter end, their quarters on ship were | | | | US 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. Continental | | | | Pacific War. The battles of Guadalcanal, Tarawa, |
| Marines were also responsible for manning raiding | | | | Cape Gloucester, Saipan, Peleliu, Iwo Jima, and |
| parties, both at sea and ashore. America's first | | | | Okinawa saw fierce fighting between U.S. Marines and |
| amphibious assault landing occurred early in the | | | | the Imperial Japanese Army. |
| Revolutionary War as the Marines gained control of a | | | | Philip Johnston proposed the use of Navajo as a code |
| British ammunition depot and naval port in New | | | | language to the Corps. The idea was accepted, and |
| Providence, Bahamas. The role of the Marine Corps | | | | the Navajo code was formally developed and |
| has since expanded significantly; as the importance of | | | | modeled on the Joint Army/Navy Phonetic Alphabet. |
| its original naval mission declined with changing naval | | | | During the battle of Iwo Jima, photographer Joe |
| warfare doctrine and the professionalization of the | | | | Rosenthal took the famous photograph Raising the |
| Naval service, the Corps adapted by focusing on what | | | | Flag on Iwo Jima of five Marines and one Navy |
| were formerly secondary missions ashore. The | | | | Corpsman raising the American flag on Mt. Suribachi. |
| Advanced Base doctrine of the early 20th century | | | | Secretary of the Navy James Forrestal, having come |
| codified their combat duties ashore, outlining the use of | | | | ashore earlier that day, said of the flag raising, "...the |
| Marines in the seizure of bases and other duties on | | | | raising of that flag on Suribachi means a Marine Corps |
| land to support naval campaigns. The Marines would | | | | for the next five hundred years." The acts of the |
| also develop tactics and techniques of amphibious | | | | Marines during the war added to their already |
| assault on defended coastlines in time for use in World | | | | significant popular reputation. By war's end, the Corps |
| War II.[16] Its original mission of providing shipboard | | | | expanded from two brigades to six divisions, five air |
| security finally ended in the 1990s, when the last Marine | | | | wings, and supporting troops, totaling about 485,000 |
| security detachments were withdrawn from U.S. Navy | | | | Marines. 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 unique | | | | Marines were casualties during World War II (including |
| combat arms, as a force it has the unique ability to | | | | nearly 20,000 killed), and 82 were awarded the Medal |
| rapidly deploy a combined-arms task force to almost | | | | of Honor.[32] |
| anywhere in the world within days. The basic structure | | | | Despite Secretary Forrestal's prediction, the Corps |
| for all deployed units is a Marine Air-Ground Task | | | | faced an immediate institutional crisis following the war. |
| Force (MAGTF) that integrates a ground combat | | | | Army generals pushing for a strengthened and |
| element, an aviation combat element, and a logistics | | | | reorganized defense establishment also attempted to |
| combat element combat component under a common | | | | fold the Marine mission and assets into the Navy and |
| command element. While the creation of joint | | | | Army. Drawing on hastily assembled Congressional |
| commands under the Goldwater-Nichols Act has | | | | support, 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 permanently | | | | the Marine Corps in the National Security Act of |
| maintain integrated multi-element task forces under a | | | | 1947.[33] Shortly afterward, in 1952 the |
| single command provides a smoother implementation | | | | Douglas-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 stems | | | | relating to the Marines and established the structure of |
| from an organizational culture centered around the | | | | three active divisions and air wings that remain today. |
| infantry. Every other Marine capability exists to support | | | | The Korean War (1950–1953) saw the hastily |
| the infantry. Unlike some Western militaries, the Corps | | | | formed Provisional Marine Brigade holding the |
| remained conservative against theories proclaiming the | | | | defensive line at the Pusan Perimeter. To execute a |
| ability of new weapons to win wars independently. For | | | | flanking maneuver, General Douglas MacArthur called |
| example, Marine Aviation has always been focused on | | | | on Marine air and ground forces to make an |
| close air support and has remained largely uninfluenced | | | | amphibious landing at Inchon. The successful landing |
| by air power theories proclaiming that strategic | | | | resulted 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 doctrine | | | | River until the entrance of the People's Republic of |
| that "Every Marine is a rifleman," a focus of | | | | China into the war. Chinese troops surrounded, |
| Commandant Alfred M. Gray, Jr., emphasizing the | | | | surprised and overwhelmed the overextended and |
| infantry combat abilities of every Marine. All enlisted | | | | outnumbered American forces. X Corps, which |
| Marines, regardless of military specialization, receive | | | | included the 1st Marine Division and the Army's 7th |
| training as a rifleman; all officers receive training as | | | | Infantry Division, regrouped and inflicted heavy |
| infantry platoon commanders.[17] The value of this | | | | casualties during their fighting withdrawal to the coast, |
| culture has been demonstrated many times throughout | | | | now known as the Battle of Chosin Reservoir. Marines |
| history. For example, at Wake Island, when all of the | | | | would continue a battle of attrition around the 38th |
| Marine aircraft were shot down, pilots continued the | | | | Parallel until the 1953 armistice.[34] The Korean War |
| fight as ground officers, leading supply clerks and | | | | saw the Corps expand from 75,000 regulars to a |
| cooks in a final defensive effort.[18] As a result, a large | | | | force of 261,000 Marines, mostly reservists. 30,544 |
| degree of initiative and autonomy is expected of junior | | | | Marines were killed or wounded during the war and 42 |
| Marines, particularly the NCOs, (corporals and | | | | were awarded the Medal of Honor.[35] |
| sergeants), as compared with many other military | | | | The Marine Corps served an important role in the |
| organizations. The Marine Corps emphasizes authority | | | | Vietnam War taking part in such battles as Da Nang, |
| and responsibility downward to a greater degree than | | | | Hue City, and Khe Sanh. Individuals from the USMC |
| the other military services. Flexibility of execution is | | | | operated 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; specifying | | | | a guerilla war against the National Front for the |
| the end state but leaving open the method of | | | | Liberation 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 assault | | | | less-known Combined Action Program (CAP) that |
| and maneuver warfare doctrine, into the current | | | | implemented unconventional techniques for |
| "Operational Maneuver from the Sea" doctrine of | | | | counter-insurgency and worked as military advisors to |
| power projection from the seas.[2] The Marines are | | | | the Republic of Vietnam Marine Corps. Marines were |
| credited with the development of helicopter insertion | | | | withdrawn in 1971, and returned briefly in 1975 to |
| doctrine and were the earliest in the American military | | | | evacuate Saigon and attempt a rescue of the crew |
| to widely adopt maneuver-warfare principles, which | | | | of 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 for | | | | 13,091[37][38] were killed in action, 51,392 were |
| sealift to provide its rapid deployment capabilities. In | | | | wounded, and 57 Medals of Honor were |
| addition to basing a third of the Marine Corps | | | | awarded.[39][40] Due to policies concerning rotation, |
| Operating Forces in Japan, Marine Expeditionary Units | | | | more Marines were deployed for service during |
| (MEU) are typically stationed at sea. This allows the | | | | Vietnam than World War II. |
| ability to function as first responders to international | | | | While recovering from Vietnam, the Corps hit a |
| incidents. The U.S. Army now maintains light infantry | | | | detrimental low point in its service history caused by |
| units capable of rapid worldwide deployment, but those | | | | courts-martial and Non-Judicial Punishments related |
| units do not match the combined-arms integration of a | | | | partially to increased Unauthorized Absences and |
| MAGTF, and lack the logistics that the Navy | | | | Desertions during the war. Overhauling of the Corps |
| provides.[5] For this reason, the Marine Corps is often | | | | began in the late 1970s, discharging the most delinquent, |
| assigned to non-combat missions such as the | | | | and once quality of new recruits improved, the Corps |
| evacuation of Americans from unstable countries and | | | | focused on reforming the NCO Corps, a vital |
| humanitarian relief of natural disasters. In larger | | | | functioning part of its forces.[5] |
| conflicts, Marines act as a stopgap, to get into and hold | | | | After Vietnam, the Marines resumed their |
| an area until larger units can be mobilized. The Corps | | | | expeditionary role, participating in the 1980 Iran hostage |
| performed this role in World War I, and the Korean | | | | rescue attempt Operation Eagle Claw, the invasion of |
| War, where Marines were the first significant combat | | | | Grenada (Operation Urgent Fury) and the invasion of |
| units deployed from the United States and held the line | | | | Panama (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 institutional | | | | was bombed, causing the highest peacetime losses to |
| roots to the Continental Marines of the American | | | | the Corps in its history (220 Marines and 21 other |
| Revolutionary War, formed at Tun Tavern in | | | | service members of the 24th Marine Expeditionary |
| Philadelphia, by a resolution of the Second Continental | | | | Unit were killed) and leading to the American |
| Congress on November 10, 1775 to raise 2 battalions | | | | withdrawal from the country. The year of 1990 saw |
| of Marines. That date is regarded and celebrated as | | | | Marines of the Joint Task Force Sharp Edge save |
| the date of the Marine Corps' "birthday". At the end of | | | | thousands of lives by evacuating the British, French |
| the American Revolution in 1783, both the Continental | | | | and American Nationals from the violence of the |
| Navy and Continental Marines were disbanded, and | | | | Liberian 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 would | | | | core for Operation Desert Shield, while U.S. and |
| not be resurrected until 1798. In that year, in preparation | | | | Coalition troops mobilized, and later liberated Kuwait in |
| for the Naval War with France, Congress created the | | | | Operation 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 period | | | | Operations 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 Eaton | | | | Following the September 11, 2001 attacks President |
| and First Lieutenant Presley O'Bannon led seven | | | | George W. Bush announced a War on Terrorism. The |
| Marines and 300 mercenaries in an effort to capture | | | | stated objective of the Global War on Terror is "the |
| Tripoli. Though they only reached Derna, the action at | | | | defeat of Al-Qaeda, other terrorist groups and any |
| Tripoli has been immortalized in the Marines' hymn and | | | | nation 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 detachments | | | | federal agencies, has engaged in global operations |
| took part in the great frigate duels that characterized | | | | around the world in support of that mission. |
| the war, which were the first American victories in the | | | | Marines and other U.S. forces began staging in |
| conflict. Their most significant contributions were | | | | Pakistan and Uzbekistan on the border of Afghanistan |
| delaying the British march to Washington, D.C. at the | | | | as 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 of | | | | Expeditionary Units were the first conventional forces |
| New Orleans. By the end of the war, the Marines had | | | | into Afghanistan in support of Operation Enduring |
| acquired a well-deserved reputation as expert | | | | Freedom 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 depression | | | | Since, then Marine battalions and squadrons have been |
| that ended with the appointment of Archibald | | | | rotating through, engaging Taliban and Al-Qaeda |
| Henderson as its fifth commandant in 1820. Under his | | | | forces. |
| tenure, the Corps took on expeditionary duties in the | | | | In 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. Commandant | | | | provide regional security.[46] Despite transferring |
| Henderson is credited with thwarting President | | | | overall command to the U.S. Navy in 2006, the Marines |
| Jackson's attempts to combine and integrate the | | | | have continued to operate in the Horn of Africa into |
| Marine Corps with the Army.[23] Instead, Congress | | | | 2007. |
| passed the Act for the Better Organization of the | | | | Most recently, the Marines have served prominently in |
| Marine Corps in 1834, stipulating that the Corps was | | | | the Iraq War. The I Marine Expeditionary Force, along |
| part of the Department of the Navy as a sister | | | | with the Army's 3rd Infantry Division, spearheaded the |
| service to the U.S. Navy.[24] This would be the first of | | | | 2003 invasion of Iraq.[48] During the occupation of Iraq, |
| many times that the existance of the Corps was | | | | Marines spearheaded both assaults on the city of |
| challenged. | | | | Fallujah in April (Operation Vigilant Resolve) and |
| Commandant Henderson volunteered the Marines for | | | | November 2004 (Operation Phantom Fury).[49] Their |
| service in the Seminole Wars of 1835, personally | | | | time 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–American | | | | They currently continue to operate throughout Iraq. |