US Army
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Over 3,064,780 active members
1,347,311 members•7,146 units
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Letterman Army Hospital
U.S. Army
Letterman Army Hospital, located in the Presidio of San Francisco, California, was established in 1898 and named after Major Jonathan Letterman, the "Father of Battlefield Medicine" from the Civil War. Originally built to provide medical care to military personnel stationed on the West Coast, the hospital played a critical role during World Wars I and II, serving as a primary receiving and treatment center for wounded soldiers returning from the Pacific Theater. Throughout its history, Letterman Army Hospital became renowned for its medical innovations and high standard of care. The hospital was officially closed in 1994 as part of the Base Realignment and Closure (BRAC) process, and its site has since been repurposed for civilian use.
Madigan Army Medical Center
U.S. Army
Madigan Army Medical Center, located on Joint Base Lewis-McChord near Tacoma, Washington, was established in 1944 as Madigan General Hospital, named after Colonel Patrick S. Madigan, the "Father of Army Neuropsychiatry." Initially serving as a key medical facility during World War II, it provided care for wounded soldiers returning from the Pacific Theater. Over the decades, Madigan evolved into a premier military medical center, offering comprehensive healthcare services to active duty, retirees, and their families, as well as serving as a major teaching hospital. Today, Madigan Army Medical Center stands as one of the largest and most advanced military medical centers in the United States, supporting both peacetime care and readiness for military operations worldwide.
signal corps
U.S. Army
The Signal Corps is a specialized branch within many national militaries, responsible for managing military communications and information systems. Established during the American Civil War in 1860, the U.S. Army Signal Corps pioneered the use of visual signaling, telegraphy, and later, radio communications on the battlefield. Over time, the corps expanded its mission to include the development and maintenance of advanced communications technology, ensuring secure and reliable transmission of information. Today, the Signal Corps plays a vital role in modern military operations, supporting command and control through cutting-edge cyber and satellite communications.
USASTRATCOM LONG LINES BATTALION NORTH
U.S. Army
The USASTRATCOM Long Lines Battalion North was a specialized communications unit within the United States Army Strategic Communications Command (USASTRATCOM) during the Cold War era. Activated in the 1960s, the battalion was tasked with operating and maintaining long-haul communications infrastructure across northern regions, including vital microwave and cable systems that supported command and control links between strategic sites. Its personnel played a key role in ensuring secure and reliable communications for both nuclear deterrence and conventional military operations. The battalion was eventually deactivated as advances in satellite and digital communications rendered many of its legacy systems obsolete.
1:151st ARB
U.S. Army
The 1st Battalion, 151st Aviation Regiment (Attack Reconnaissance Battalion), known as 1/151st ARB, is a unit of the Indiana Army National Guard. It traces its lineage to the post-World War II reorganization of aviation assets within the National Guard, with formal designation as an attack reconnaissance battalion in the late 20th century. The battalion is equipped with AH-64 Apache helicopters and specializes in attack and reconnaissance missions. 1/151st ARB has supported both state and federal missions, including overseas deployments to Iraq and Afghanistan in support of Operations Iraqi Freedom and Enduring Freedom, where it provided critical aerial firepower and reconnaissance capabilities.
1:162nd FA
U.S. Army
The 1st Battalion, 162nd Field Artillery (1/162nd FA) is a unit with roots tracing back to the National Guard formations in the early 20th century. Over its history, the battalion has supported infantry and armored operations with indirect fire, participating in both state and federal missions. The 1/162nd FA has been mobilized for major conflicts, including World War II, where it provided crucial artillery support in the European Theater. In recent decades, the battalion has contributed to overseas deployments and domestic disaster responses, demonstrating adaptability and commitment to both national defense and community support.
1:2nd FA Baumholder Germany
U.S. Army
The 1st Battalion, 2nd Field Artillery Regiment (1/2nd FA) has a storied history, tracing its lineage back to its original constitution in 1907. The unit has served with distinction in multiple conflicts, including both World Wars and the Cold War, providing vital artillery support to U.S. Army operations. Stationed in Baumholder, Germany, during the Cold War era, 1/2nd FA played a critical role in NATO’s forward defense posture, maintaining readiness to deter and, if necessary, respond to Soviet aggression. The unit’s presence in Baumholder underscored the U.S. commitment to European security, and its legacy continues to be honored within the U.S. Army artillery community.
104th Military Intelligence Bn
U.S. Army
The 104th Military Intelligence Battalion (104th MI BN) was constituted on 21 September 1961 in the Regular Army and activated on 15 October 1961 at Fort Devens, Massachusetts. Throughout its history, the battalion has provided critical intelligence support to larger Army formations, notably serving with the 4th Infantry Division. The unit has deployed in major conflicts, including Operation Iraqi Freedom, where it gathered and analyzed intelligence to support combat operations. Today, the 104th MI BN remains essential to modern Army operations, utilizing advanced technology for intelligence collection and analysis to support mission success.
107th Armoured. Cav
U.S. Army
The 107th Armored Cavalry Regiment (107th ACR) traces its origins to the Ohio National Guard, with roots dating back to the late 19th century. During World War II, elements of the unit were reorganized and served with distinction in both the European and Pacific Theaters. In the postwar era, the 107th ACR was equipped with modern armor and reconnaissance vehicles, participating in numerous training exercises and supporting domestic operations. The regiment has upheld a proud tradition of service, adapting to evolving military needs while maintaining a strong community presence in Ohio.
10th Medical Detachment
U.S. Army
The 10th Medical Detachment is a United States Army unit with a distinguished record of providing medical support on and off the battlefield. Activated during World War II, the unit served in the European Theater, delivering critical medical services to frontline troops. Over the decades, the 10th Medical Detachment has deployed in various conflicts and operations, including the Korean and Vietnam Wars, where it played a vital role in casualty evacuation and field medical care. Today, the unit continues its legacy, supporting Army missions worldwide with expertise in medical logistics, treatment, and evacuation.
11th engineer battalion
U.S. Army
The 11th Engineer Battalion is a distinguished unit in the United States Army with a lineage dating back to World War I. Originally constituted in 1917, the battalion provided vital engineering support during major campaigns in France. In World War II, the unit participated in key operations across Europe, including the Normandy landings and the advance into Germany, constructing bridges, clearing obstacles, and enabling troop movements. Over the years, the 11th Engineer Battalion has continued to serve with distinction, supporting both combat and humanitarian missions worldwide. Today, it remains a crucial asset in ensuring mobility, countermobility, and survivability for Army forces.
126th Infantry Division
U.S. Army
The 126th Infantry Division was a German Army unit formed in October 1940, during World War II. Initially assembled in Sennelager, Germany, the division was primarily composed of recruits from northern Germany and was deployed to the Eastern Front in 1941 as part of Operation Barbarossa. Throughout the war, the 126th Infantry Division fought in several significant battles, including the Siege of Leningrad and the defensive actions in the Baltic States. The division sustained heavy losses during the retreat through Latvia and Courland and was ultimately encircled and destroyed in the Courland Pocket in 1945.
14th Cavalry
U.S. Army
The 14th Cavalry Regiment was constituted on 2 February 1901 in the Regular Army of the United States and organized at Fort Leavenworth, Kansas. Throughout its history, the regiment has served in a variety of roles, including patrolling the Mexican border during the early 20th century and participating in World War II with reconnaissance duties in Europe. After several periods of inactivation and reactivation, the 14th Cavalry was reactivated in the 21st century as a reconnaissance, surveillance, and target acquisition (RSTA) squadron within Stryker Brigade Combat Teams. The unit has deployed in support of operations in Iraq and Afghanistan, continuing its legacy of adaptability and service.
162nd AHC
U.S. Army
The 162nd Assault Helicopter Company (AHC), known as the “Vultures,” was activated in Vietnam in 1965 as part of the U.S. Army’s expansion of airmobile operations during the Vietnam War. Based primarily at Can Tho in the Mekong Delta, the 162nd AHC provided critical airlift, resupply, and close air support for ground troops, often operating in challenging terrain and under heavy enemy fire. The unit flew UH-1 “Huey” helicopters and was renowned for its bravery and effectiveness in supporting both U.S. and allied forces, including the Army of the Republic of Vietnam (ARVN) and Australian units. The 162nd AHC was deactivated in Vietnam in 1972 as U.S. involvement in the conflict wound down.
172nd Infantry Brigade, 4th Battallion , 23rd Inf.
U.S. Army
The 4th Battalion, 23rd Infantry Regiment, known as "Tomahawks," has a distinguished history as part of the 172nd Infantry Brigade. Activated in World War II, the battalion fought valiantly in the Pacific Theater, particularly in the Aleutian Islands and the Philippines. During the Cold War, it was stationed in Alaska, emphasizing Arctic warfare training and readiness. In the 21st century, the 4-23rd Infantry deployed multiple times to Iraq and Afghanistan, providing security, conducting counterinsurgency operations, and supporting stability missions as part of the 172nd Infantry Brigade.
1ST BATTALION (ABN) 509TH INFANTRY
U.S. Army
The 1st Battalion (Airborne), 509th Infantry Regiment traces its lineage to the 509th Parachute Infantry Battalion, activated in 1941. During World War II, the unit became the first American airborne unit to conduct a combat jump, parachuting into North Africa during Operation Torch in November 1942. The battalion participated in several key campaigns, including those in Italy and Southern France, earning multiple decorations for valor. Today, the 1-509th Infantry (Airborne) serves as the Opposing Forces (OPFOR) at the Joint Readiness Training Center, Fort Johnson, Louisiana, providing realistic training for deploying Army units.
2:4th FA
U.S. Army
The 2nd Battalion, 4th Field Artillery Regiment (2-4th FA) traces its lineage back to 1907, when it was first constituted in the Regular Army as Battery B, 4th Field Artillery. Over the years, the unit has participated in numerous major conflicts, including World War II, the Vietnam War, and Operations Desert Storm and Iraqi Freedom. Known for its expertise in providing effective and timely fire support, the battalion has earned multiple campaign streamers and unit commendations. Today, 2-4th FA continues to uphold its proud tradition as a vital artillery unit within the United States Army, supporting maneuver forces with precision fires.
214th Aviation
U.S. Army
The 214th Aviation Regiment traces its lineage to the Vietnam War era, where it was first constituted and activated to provide essential aviation support. Over the decades, the regiment has served in numerous conflicts, including Operation Desert Storm and the Global War on Terror, providing air assault, transport, and logistical support. The unit is known for its expertise in operating helicopters such as the CH-47 Chinook, contributing to rapid deployment and sustainment of ground forces. Today, the 214th Aviation Regiment continues to uphold its tradition of excellence, supporting U.S. Army operations both at home and abroad.
21st Infantry
U.S. Army
The 21st Infantry Regiment, known as the "Gimlet Regiment," was constituted in 1861 and first saw action during the American Civil War. Throughout its distinguished history, the unit fought in numerous major conflicts, including the Indian Wars, the Spanish-American War, World War II (notably in the Pacific Theater), the Korean War, and the Vietnam War. In Korea, the 21st Infantry gained recognition for its valiant stand during the Battle of Osan, marking the first American ground engagement of the war. Today, the regiment continues its legacy as part of the 25th Infantry Division, upholding its motto, "Duty."
21st Signal Co.
U.S. Army
The 21st Signal Company was originally activated during World War II as part of the U.S. Army’s expanding communications network, providing essential signal support to frontline and rear-echelon units. Throughout its service, the company was responsible for establishing and maintaining secure lines of communication, often operating under challenging combat conditions. Over the years, the 21st Signal Company adapted to advancements in communications technology, transitioning from wire and radio systems to modern digital communications. The unit’s dedication ensured reliable command and control capabilities, contributing significantly to the success of multiple military operations.
229th Aviation Battalion
U.S. Army
The 229th Aviation Battalion was activated in 1965 as part of the U.S. Army during the Vietnam War, assigned primarily to provide air assault and support operations. It became best known as part of the 1st Cavalry Division (Airmobile), participating in major actions including the famous Battle of Ia Drang. The battalion flew UH-1 Huey helicopters and later AH-1 Cobra gunships, developing tactics that would define modern air cavalry operations. Over the years, the 229th has been reorganized and redesignated, with its legacy continuing in today’s 229th Aviation Regiment, supporting missions in various global conflicts.
23rd Ordnance Company
U.S. Army
The 23rd Ordnance Company is a distinguished unit within the U.S. Army Ordnance Corps, specializing in ammunition supply, explosive ordnance disposal (EOD), and munitions maintenance. Originally activated during World War II, the company provided vital support in the European Theater, ensuring frontline units received timely and safe munitions. Over the decades, the 23rd Ordnance Company has participated in numerous conflicts, including the Korean War and Operation Iraqi Freedom, adapting to evolving technologies and threats. Today, the unit continues its mission of ordnance support, upholding a legacy of technical expertise and operational excellence.
240th AHC
U.S. Army
The 240th Assault Helicopter Company (AHC), known as the "Greyhounds," was activated in 1966 during the Vietnam War. Based primarily at Bear Cat and later Long Binh, South Vietnam, the 240th AHC provided air assault, troop transport, and resupply missions in support of U.S. and allied forces. The unit operated UH-1 Iroquois "Huey" helicopters and was renowned for its courage under fire, frequently participating in intense combat operations. The 240th AHC was deactivated in 1972, having earned multiple commendations for its vital role in numerous major campaigns.
269th Signal Co
U.S. Army
The 269th Signal Company was activated during World War II to provide critical communications support for U.S. Army operations. Throughout its service, the unit was responsible for establishing and maintaining tactical and strategic communication lines, utilizing both wire and radio technologies. Over the years, the 269th Signal Company participated in several major military campaigns, adapting to advances in signal equipment and methods. Renowned for its technical expertise and reliability, the company played a vital role in ensuring effective command and control across diverse operational environments.