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| 11th United States Infantry Regiment | |
|---|---|
| Unit name | 11th United States Infantry Regiment |
| Caption | Regimental colors of the 11th Infantry |
| Dates | 1838–present |
| Country | United States of America |
| Branch | United States Army |
| Type | Infantry |
| Size | Regiment |
| Garrison | Fort Wainwright |
| Nickname | Long Knives |
| Motto | Fortiter et Fideliter |
| Notable commanders | Brigadier General Robert C. Buchanan; Colonel William H. French; Colonel John F. Reynolds |
11th United States Infantry Regiment The 11th United States Infantry Regiment is a regular infantry regiment of the United States Army with service spanning from the antebellum period through contemporary operations. The regiment served in major conflicts including the Mexican–American War-era frontier actions, the American Civil War, the Indian Wars, the Spanish–American War, the Philippine–American War, both World Wars, Cold War deployments, and post-9/11 operations. The unit’s lineage reflects evolving doctrine, formation changes, and assignments across installations such as Fort Leavenworth, Fort Snelling, Fort Wainwright, and overseas garrisons.
Constituted in 1838 and organized amid the administration of President Martin Van Buren, the regiment traces early organization to expansions following the Second Seminole War and tensions with tribal nations. Stationed on the Western frontier (United States) and at frontier posts like Fort Snelling and Fort Leavenworth, the regiment participated in patrols that intersected with expeditions related to the Mexican–American War aftermath and enforcement of federal Indian policy. Commanders such as Brigadier General Robert C. Buchanan influenced early training tied to evolving infantry drill originating from Winfield Scott’s reforms. Assignments during the 1840s and 1850s put companies into contact with units from the 4th United States Infantry Regiment, 1st United States Dragoons, and militia elements like state volunteer regiments.
At the outbreak of the American Civil War, elements of the regiment were reassigned, reorganized, and saw service in the Union Army under leaders such as George B. McClellan, Ulysses S. Grant, and William Tecumseh Sherman. Companies were detached to garrison posts, engage in riverine operations on the Mississippi River, and serve in campaigns producing links with formations like the Army of the Potomac and the Department of the Missouri (Union Army). Combat actions and stationing brought the regiment into contact with engagements associated with the Battle of Fort Donelson, operations near Vicksburg, Mississippi, and later duties during Reconstruction alongside units such as the 6th Regiment of Infantry (United States) and 9th United States Infantry Regiment. Notable officers who served with or against the regiment include John F. Reynolds and contemporaries from volunteer state regiments.
Postwar, the 11th Infantry took part in campaigns during the Indian Wars period including expeditions against Plains tribes such as the Lakota Sioux and Cheyenne during the 1860s and 1870s. Stationed at frontier forts, the regiment engaged in escorts for survey parties tied to the Transcontinental Railroad and skirmishes connected with events like the Great Sioux War of 1876–77. Operations often coordinated with cavalry regiments such as the 7th Cavalry Regiment and infantry units including the 10th Infantry Regiment. The regiment’s presence influenced interactions with tribal leaders and federal Indian agents, and its companies contributed to the network of forts from Fort Laramie to Fort Collins.
Deployed for expeditionary service during the Spanish–American War of 1898, the 11th Infantry served in logistics and occupation roles linked to operations in the Caribbean and Pacific sphere alongside units such as the First United States Volunteer Cavalry and elements of the V Corps (United States) during the Santiago campaign. Following hostilities, the regiment participated in counterinsurgency operations during the Philippine–American War, operating in provinces where forces coordinated with the United States Asiatic Fleet and service members from the Signal Corps (United States Army). Actions in the Philippines tied the regiment to policing duties, garrison security, and campaigns against insurgent leaders like those associated with the Philippine Revolutionary War period.
During World War I, the regiment underwent structural changes as the Army expanded, contributing personnel to divisions mobilized for the American Expeditionary Forces on the Western Front under commanders such as John J. Pershing. Although portions of the regiment remained stateside for training at posts like Camp Funston and Camp Sherman, regimental traditions were influenced by doctrine promulgated in manuals from institutions including the United States Army War College and the Command and General Staff College (United States). In the interwar years, the 11th Infantry rotated through duty stations at posts such as Fort Benning and Fort Douglas, participated in maneuvers with units including the 2nd Infantry Division, and adapted to mechanization trends driving doctrine leading into the next global conflict.
In World War II, elements of the regiment were integrated into larger formations conducting campaigns in theaters where coordination with units like the 101st Airborne Division and the 4th Infantry Division was common, while garrison and training responsibilities continued at posts such as Fort Ord and Fort Lewis. During the Cold War, the regiment was assigned to continental defense, NATO rotations in West Germany, and Arctic preparedness missions involving cooperation with the United States Air Force and Alaska National Guard at installations like Fort Wainwright and Eielson Air Force Base. Cold War deployments included readiness states related to crises such as the Berlin Crisis of 1961 and support roles connected with the North American Aerospace Defense Command posture.
In the post‑Cold War and post‑9/11 era, the 11th Infantry has deployed in support of operations such as Operation Enduring Freedom and Operation Iraqi Freedom, working alongside formations like the 101st Airborne Division (Air Assault), 3rd Infantry Division, and joint partners including the Marine Corps and Special Operations Command. Modern regimental structure aligns with brigade-centric organization; battalions have been affiliated with brigade combat teams at installations such as Fort Wainwright, Fort Riley, and overseas garrisons. The regiment continues professional development with institutions including the United States Army Infantry School and engagement in multinational exercises with partners like NATO members and Pacific allies. Its lineage and honors reflect decorations awarded in multiple campaigns and sustained service across more than a century and a half.
Category:Infantry regiments of the United States Army