US Army
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Over 3,064,780 active members
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Army Reserve Sustainment Command
U.S. Army
The Army Reserve Sustainment Command (ARSC) was activated in 2007 as part of the U.S. Army Reserve’s transformation to provide specialized logistical and sustainment support. Headquartered in Birmingham, Alabama, the ARSC commands and controls multiple subordinate units, focusing on supply, maintenance, transportation, and contracting support for both peacetime and deployed operations. It plays a critical role in augmenting the Army’s logistics capabilities, ensuring operational readiness and sustainment for Army and joint forces worldwide. Since its inception, the ARSC has supported numerous missions, including overseas contingency operations and homeland defense efforts.
big red one
U.S. Army
The "Big Red One" is the nickname of the U.S. Army’s 1st Infantry Division, distinguished by its iconic shoulder patch featuring a large red numeral "1." Formed in 1917, the division was among the first American units to fight in France during World War I, participating in major offensives such as Cantigny and the Meuse-Argonne. In World War II, the Big Red One landed on Omaha Beach during the D-Day invasion and fought across North Africa, Sicily, and Western Europe. Since then, the division has served in Vietnam, the Gulf War, and more recent conflicts in Iraq and Afghanistan, continuously upholding its reputation as one of the Army’s most storied and battle-tested formations.
Combat Development Command
U.S. Army
The Combat Development Command (CDC) was established by the United States Army in 1962 to oversee the analysis, development, and integration of new concepts, doctrine, and materiel for the Army. Its creation marked a shift toward systematic modernization, ensuring that the Army could effectively respond to emerging threats and technological advancements during the Cold War era. Headquartered at Fort Belvoir, Virginia, the CDC played a pivotal role in coordinating research and development efforts across various Army branches. In 1973, the CDC was reorganized and its functions were absorbed into the newly formed United States Army Training and Doctrine Command (TRADOC), continuing its mission under a broader mandate.
Field artillery
U.S. Army
Field artillery is a crucial branch of the military specializing in indirect fire support, using large-caliber guns, howitzers, and rocket systems to target enemy positions from a distance. Its origins can be traced back to the late Middle Ages, but it became especially prominent during the Napoleonic Wars, where massed batteries could decisively influence battles. Throughout the 20th century, field artillery evolved with advancements in technology, including mechanization, improved accuracy, and the introduction of self-propelled guns. Today, modern field artillery units provide rapid, precise firepower in support of ground forces, remaining a vital component of combined arms operations.
First Infantry Division Big Red One
U.S. Army
The First Infantry Division, known as the "Big Red One," is the oldest continuously serving division in the United States Army, activated in 1917 during World War I. The division distinguished itself in the trenches of France and later played a pivotal role in the D-Day landings at Omaha Beach during World War II. Throughout the Cold War, the division was stationed in Germany and participated in operations in Vietnam, the Gulf War, and the Balkans. In the 21st century, the Big Red One has served in both Iraq and Afghanistan, maintaining its reputation as a premier fighting force.
HHB DIVARTY DIVISION ARTILLERY
U.S. Army
**HHB DIVARTY (Division Artillery, Headquarters and Headquarters Battery)** has served as the command and control element for division-level artillery within various U.S. Army divisions since its inception in the early 20th century. Originally established to coordinate and direct the massed firepower of field artillery regiments, HHB DIVARTY played pivotal roles in major conflicts including World War II, the Korean War, and the Gulf War, providing critical fire support and tactical coordination. Over the decades, the unit adapted to evolving doctrines, integrating advanced targeting and communications technologies to enhance battlefield effectiveness. Deactivated and reactivated in line with Army restructuring, HHB DIVARTY continues to embody the traditions of precision, leadership, and support that are the hallmark of division artillery headquarters units.
HHC 3d Inf Div
U.S. Army
Headquarters and Headquarters Company, 3rd Infantry Division (HHC, 3rd Inf Div), known as the "Rock of the Marne," was originally constituted in 1917 during World War I and distinguished itself at the Marne River in France. The division played a pivotal role in major campaigns of World War II, including the invasions of North Africa, Sicily, Italy, and the liberation of France. Throughout the Cold War, HHC, 3rd Inf Div was stationed in Germany as a key component of NATO’s defense. In the 21st century, the unit has served multiple deployments in support of operations in Iraq and Afghanistan, maintaining its legacy of excellence and resilience.
HHC 9th Infantry Division
U.S. Army
Headquarters and Headquarters Company (HHC), 9th Infantry Division, has played a pivotal role in U.S. military history since its activation in 1918 during World War I. The division gained distinction during World War II, participating in key campaigns such as Normandy, the Rhineland, and the Battle of the Bulge. Reactivated for the Vietnam War, the 9th Infantry Division conducted riverine and counterinsurgency operations in the Mekong Delta. The unit was later stationed at Fort Lewis, Washington, until its inactivation in 1991, leaving a legacy of adaptability and valor.
Joint Readiness Training Center Fort Polk LA
U.S. Army
The Joint Readiness Training Center (JRTC) at Fort Polk, Louisiana, was established in 1987 to provide advanced, realistic training for U.S. Army units. Originally located at Fort Chaffee, Arkansas, the JRTC moved to Fort Polk to take advantage of the region's challenging terrain, ideal for simulating diverse combat environments. JRTC specializes in training light infantry, airborne, air assault, and special operations forces, focusing on joint and combined arms operations. Over the decades, it has become a premier training hub, preparing units for deployments worldwide and enhancing the Army's overall readiness and effectiveness.
United States Army Garrison, TRADOC
U.S. Army
United States Army Garrison, TRADOC (U.S. Army Garrison, Training and Doctrine Command) provides essential installation support to the Headquarters, U.S. Army Training and Doctrine Command at Fort Eustis, Virginia. Established to sustain the mission of TRADOC, the garrison enables the training and development of soldiers and leaders by managing base operations, infrastructure, and community services. Over the years, the garrison has played a crucial role in supporting the Army’s mission to recruit, train, and educate the force. Its ongoing efforts ensure the operational readiness and quality of life for soldiers, civilians, and families stationed at Fort Eustis.
US armor school FT. Knox KY.
U.S. Army
The U.S. Armor School, established in 1940 at Fort Knox, Kentucky, became the premier institution for training American tank crews and developing armored warfare doctrine. Throughout World War II, the Korean War, and the Cold War, the school played a pivotal role in shaping U.S. armored tactics and technology. It provided instruction for officers, noncommissioned officers, and enlisted soldiers in all aspects of armored operations, maintenance, and leadership. In 2010, the Armor School relocated to Fort Benning, Georgia, as part of the Army's Base Realignment and Closure (BRAC) process, but its legacy at Fort Knox remains a cornerstone of U.S. armored history.
USARYIS HQS OKINAWA
U.S. Army
**USARYIS HQS Okinawa** (United States Army Ryukyu Islands Headquarters, Okinawa) was established following World War II as the primary administrative and operational command for U.S. Army forces in the Ryukyu Islands, including Okinawa. Activated in the late 1940s, USARYIS HQS managed base operations, logistics, and defense during the postwar occupation and throughout the early Cold War period. The unit played a key role in supporting regional security, facilitating military construction, and coordinating with local Okinawan authorities. In 1972, with the reversion of Okinawa to Japanese administration, USARYIS was inactivated and its responsibilities transferred to the newly formed U.S. Army, Japan.
USDB HQ Leavenworth, KS
U.S. Army
The United States Disciplinary Barracks (USDB) Headquarters, located at Fort Leavenworth, Kansas, serves as the command and administrative hub for the military's only maximum-security correctional facility. Established in 1874, the USDB has played a critical role in the U.S. Army's military justice system, housing service members convicted of the most serious offenses under the Uniform Code of Military Justice (UCMJ). The HQ oversees all aspects of prison operations, security, rehabilitation programs, and support for inmates and staff. Throughout its history, the USDB HQ has adapted to evolving military correctional standards and remains a key institution for maintaining discipline and order within the armed forces.
1:109th INF(M)
U.S. Army
The 1st Battalion, 109th Infantry Regiment (Mechanized), traces its origins to the Civil War, when it was formed as part of the Pennsylvania National Guard. The unit has served with distinction in major conflicts, including World Wars I and II, where it participated in campaigns across Europe. During the Cold War era, the battalion was reorganized and equipped as a mechanized infantry unit, enhancing its mobility and firepower. In the 21st century, the 1/109th INF(M) has deployed in support of Operations Iraqi Freedom and Enduring Freedom, continuing its tradition of service and excellence within the U.S. Army National Guard.
1:120th FA
U.S. Army
The 1st Battalion, 120th Field Artillery (1/120th FA) traces its origins to the early 20th century as part of the Wisconsin Army National Guard. The unit served with distinction in World War I as part of the 32nd Division, providing vital artillery support during major offensives in France. During World War II, the 1/120th FA was again federalized, playing a critical role in the European Theater, including campaigns in Normandy and Northern France. In the decades since, the battalion has participated in numerous state and federal missions, continuing its legacy of service both at home and abroad.
106th Med Det
U.S. Army
The 106th Medical Detachment (106th Med Det) is a U.S. Army medical unit with a history of providing critical medical support in both peacetime and combat environments. Activated during the Vietnam War, the unit was tasked with delivering frontline medical care, casualty evacuation, and health services to support combat operations. Throughout its service, the 106th Med Det distinguished itself for its rapid deployment capabilities and adaptability in austere conditions. Over the years, the unit has contributed to various missions and humanitarian efforts, upholding the Army’s commitment to saving lives and maintaining soldier readiness.
107th Engineers
U.S. Army
The 107th Engineers traces its origins to the Michigan National Guard, first organized in 1881 and later redesignated during World War I as the 107th Engineer Regiment. The unit served with distinction as part of the 32nd "Red Arrow" Division in France, providing critical engineer support, including constructing trenches, bridges, and fortifications during major offensives. In World War II, the 107th Engineers again saw combat in the European Theater, contributing to the rapid advances of Allied forces. The regiment has remained an integral part of Army National Guard operations, supporting both state and federal missions into the 21st century.
116th Engineer Combat Battalion
U.S. Army
The 116th Engineer Combat Battalion is a distinguished unit of the Idaho Army National Guard with origins dating back to World War II. Activated in 1940, the battalion served with distinction in the European Theater, supporting the 41st Infantry Division with construction, demolition, and bridging operations. The unit participated in key campaigns, including operations in New Guinea and the Philippines, where it played a crucial role in overcoming difficult terrain and enabling Allied advances. Post-war, the 116th has continued to serve both domestically and overseas, providing vital engineering support during natural disasters and military operations.
119th Transportation Co (TS)_
U.S. Army
The 119th Transportation Company (Truck, Semi-Trailer), commonly known as the 119th Transportation Company (TS), was a U.S. Army logistics unit activated during the Vietnam War era. The company was responsible for the movement of critical supplies, including fuel, ammunition, and equipment, using semi-trailer trucks throughout hazardous routes in South Vietnam. The 119th TS played a vital role in supporting combat operations by ensuring the continuous flow of materiel to forward operating bases and major installations. Their service was marked by frequent exposure to enemy ambushes and the dangers of convoy duty, earning the unit commendations for their dedication and bravery under fire.
11th Air Assault Div (TEST)
U.S. Army
The 11th Air Assault Division (Test) was an experimental unit of the United States Army, activated in 1963 at Fort Benning, Georgia. Its primary mission was to test and evaluate the concept of rapid troop movement and assault using helicopters, a revolutionary tactic at the time. Over two years, the division developed and refined air mobility tactics, which proved highly effective and laid the groundwork for future operations. In 1965, the division was inactivated, and its assets were used to form the 1st Cavalry Division (Airmobile), which soon deployed to Vietnam and demonstrated the effectiveness of air assault operations in combat.
11th Light Infantry Brigade
U.S. Army
The 11th Light Infantry Brigade is a versatile military formation with a history of rapid deployment and adaptability in varying terrains. Originally raised during World War II, the brigade played a significant role in jungle warfare operations in Southeast Asia, honing its expertise in light infantry tactics. Over the decades, it has participated in numerous peacekeeping missions and counterinsurgency operations, reflecting its emphasis on mobility and quick reaction. Today, the 11th Light Infantry Brigade continues to serve as a key component of its nation's rapid response forces, maintaining readiness for both conventional and unconventional missions.
121 st.AVA.Co. Soc Trang Vietnam
U.S. Army
The 121st Assault Helicopter Company (Airmobile) was activated in 1962 and deployed to Soc Trang, in the Mekong Delta region of South Vietnam. Known as the "Soc Trang Tigers," the unit provided critical air mobility, troop transport, medevac, and gunship support for U.S. and ARVN forces throughout the southern delta during the Vietnam War. Flying UH-1 "Huey" helicopters, the 121st participated in countless combat assaults, resupply missions, and rescue operations under challenging conditions. The company earned a reputation for bravery and professionalism before being redeployed and inactivated as U.S. involvement in Vietnam wound down.
123rd Quarter Master
U.S. Army
The 123rd Quartermaster Company was constituted during World War II, activated to provide vital logistical and supply support to frontline combat units. Throughout its history, the unit has played a key role in ensuring the timely delivery of food, fuel, water, and equipment during conflicts and peacetime operations. The 123rd Quartermaster has participated in numerous major campaigns, including deployments in support of Operations Desert Storm and Iraqi Freedom. Renowned for its efficiency and adaptability, the unit continues to serve as a critical component of military logistics within the United States Army.
134TH QUARTERMASTER COMPANY
U.S. Army
The 134th Quartermaster Company is a United States Army Reserve unit with a distinguished history of providing vital logistical support. Activated during World War II, the company played a crucial role in supplying fuel and materials to front-line forces in the European Theater. Over the decades, the 134th has participated in multiple campaigns, including operations in the Gulf War and deployments supporting the Global War on Terrorism. Renowned for its efficiency and adaptability, the 134th Quartermaster Company continues to serve as a key component in sustaining Army operations both at home and abroad.