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Over 3,064,780 active members
1,359,421 members•89,925 units
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3-6 CAV
U.S. Army
3-62 ADA
U.S. Army
3:1st FA
U.S. Army
The 3rd Battalion, 1st Field Artillery Regiment (3/1st FA) has a distinguished history within the U.S. Army, tracing its lineage back to the early 20th century. Originally constituted in 1907, the unit has participated in numerous major conflicts, including World War I, World War II, and the Vietnam War, providing vital artillery support to maneuver units. During the Cold War, 3/1st FA was stationed in various locations in Europe and the United States, adapting to evolving artillery technology and tactics. In recent decades, the battalion has supported operations in the Middle East, continuing its legacy of excellence in fire support and combat readiness.
3:22nd Infantry
U.S. Army
The 3rd Battalion, 22nd Infantry Regiment (3/22nd Infantry) is a storied unit of the United States Army with roots tracing back to its original activation in 1812. The battalion saw distinguished service in major conflicts, including World War II, where it fought in the European Theater, and the Vietnam War, where it participated in numerous operations as part of the 25th Infantry Division and later the 4th Infantry Division. Throughout its history, 3/22nd Infantry has earned multiple unit citations and campaign streamers for its valor and effectiveness in combat. Today, the unit continues its legacy of excellence as part of the modern U.S. Army, upholding its motto, "Deeds, Not Words."
3:39th Infantry
U.S. Army
The 3rd Battalion, 39th Infantry Regiment (3/39th Infantry) has a distinguished history within the U.S. Army. Originally constituted in 1917, it has served in major conflicts such as World War II and the Vietnam War. During the Vietnam War, 3/39th Infantry was assigned to the 9th Infantry Division and operated in the challenging Mekong Delta, participating in significant operations including Operation Palm Tree and Operation Coronado. The battalion earned multiple unit commendations for its valor and professionalism before being inactivated as part of post-war drawdowns.
337TH GENERAL HOSPITAL
U.S. Army
339th Combat Support Hospital
U.S. Army
The 339th Combat Support Hospital (CSH) is a U.S. Army Reserve medical unit with a distinguished history dating back to its activation in 1942. Originally constituted as the 339th Station Hospital during World War II, the unit provided vital medical support to American and allied forces in the European Theater. Over the decades, the 339th has been reorganized and redesignated, most recently as a Combat Support Hospital, enhancing its capability to deliver comprehensive medical care in deployed environments. The 339th CSH has supported various operations, including contingencies in Southwest Asia, exemplifying its ongoing commitment to saving lives and supporting combat readiness.
34TH GENERAL SUPPORT GROUP
U.S. Army
350th evac hospital
U.S. Army
368 Transportation Company Fort Eustis , Virginia
U.S. Army
The 368th Transportation Company, based at Fort Eustis, Virginia, is a distinguished unit within the U.S. Army’s transportation corps. Activated during periods of increased logistical demand, the company has played a vital role in providing movement control and transportation support for both stateside and overseas operations. Throughout its history, the 368th has supported major military campaigns by ensuring the efficient transport of personnel, equipment, and supplies. The unit’s dedication to mission readiness and excellence continues to uphold the proud traditions of Army logistics at Fort Eustis.
371ST ARMY BAND
U.S. Army
371st Radio Research Company
U.S. Army
The 371st Radio Research Company (371st RRC) was a U.S. Army signals intelligence unit active during the Vietnam War. Organized under the Army Security Agency (ASA), the company was tasked with intercepting and analyzing enemy communications to provide critical intelligence support to American and allied forces. The unit operated primarily in the Central Highlands of South Vietnam, working closely with combat units to locate and counter Viet Cong and North Vietnamese Army activities. The 371st RRC played a vital role in electronic warfare operations, contributing significantly to the overall intelligence efforts during the conflict before its deactivation following the U.S. withdrawal from Vietnam.
37TH ARMOR REGIMENT
U.S. Army
The 37th Armor Regiment was constituted in 1941 and activated at Fort Knox, Kentucky, as part of the U.S. Army’s rapid expansion during World War II. The regiment fought with distinction in the European Theater, participating in campaigns such as Normandy, Northern France, Rhineland, Ardennes-Alsace, and Central Europe. After World War II, the unit underwent several reorganizations, serving in various armored divisions and engaging in Cold War deterrence duties in Europe. Elements of the 37th Armor Regiment have since supported operations in the Gulf War, Iraq, and Afghanistan, maintaining a proud legacy of excellence in armored warfare.
391st Engineers
U.S. Army
The 391st Engineer Battalion was constituted on 5 May 1942 in the Army of the United States and activated on 15 August 1942 at Camp Pickett, Virginia. During World War II, the unit served with distinction in the European Theater, participating in campaigns such as Normandy, Northern France, Rhineland, Ardennes-Alsace, and Central Europe, where it was responsible for constructing vital bridges, roads, and fortifications. After the war, the battalion was inactivated, but later reactivated in the Army Reserve, continuing its tradition of providing engineer support in both combat and peacetime operations. Today, the 391st Engineer Battalion remains an essential combat support unit, prepared to deploy and provide engineering expertise wherever needed.
3D INF DIV
U.S. Army
3rd Air defense Artillery Training Battalion
U.S. Army
The 3rd Air Defense Artillery Training Battalion traces its lineage to early U.S. coastal artillery units, initially formed to defend the nation’s shores in the late 19th century. Throughout the 20th century, the battalion evolved alongside advancements in air defense technology, transitioning from coastal guns to anti-aircraft artillery and, eventually, modern missile systems. Reorganized as a training battalion, the 3rd is now stationed at Fort Sill, Oklahoma, where it plays a critical role in instructing new generations of air defense artillery soldiers. The unit upholds a proud tradition of excellence, preparing personnel to defend against aerial threats in support of U.S. and allied operations worldwide.
3rd Anti Tank Battalion
U.S. Army
The 3rd Anti Tank Battalion was activated during World War II as part of the United States Marine Corps, tasked with providing dedicated anti-tank support to Marine divisions in the Pacific Theater. Equipped with towed and self-propelled anti-tank guns, the battalion played a crucial role in repelling Japanese armored assaults during key island campaigns such as Bougainville and Guam. After distinguished service throughout the war, the battalion was deactivated following Japan's surrender in 1945. Its legacy is remembered for adaptability and effectiveness in anti-armor warfare under challenging combat conditions.
3rd Armor Div.
U.S. Army
3rd Ranger Batt 75th Reg
U.S. Army
The 3rd Battalion, 75th Ranger Regiment, was activated on October 3, 1984, at Fort Benning, Georgia, as part of the U.S. Army’s elite 75th Ranger Regiment. The battalion traces its lineage to the World War II-era Ranger units and continues their legacy of rapid deployment and special operations excellence. Since its activation, 3rd Ranger Battalion has participated in major operations including Operation Just Cause in Panama, Operation Enduring Freedom in Afghanistan, and Operation Iraqi Freedom in Iraq. Renowned for their rigorous training and specialized skills, the battalion is a key component of the Army’s premier light infantry force, tasked with direct action raids, airfield seizures, and special reconnaissance missions worldwide.
3RD SFG(A)
U.S. Army
4-325
U.S. Army
4-8 INF
U.S. Army
4:21st Infantry
U.S. Army
The 4th Battalion, 21st Infantry Regiment (4/21st Infantry) is a distinguished unit of the United States Army with a storied history dating back to its formation in 1861. The regiment earned battle honors in major conflicts, including the Civil War, Philippine–American War, World War II, and the Vietnam War, where the 4th Battalion was reactivated and participated in operations throughout the I and II Corps Tactical Zones. During the Vietnam War, 4/21st Infantry, known as the "Gimlets," was assigned to the 11th Infantry Brigade, Americal Division, conducting search and destroy missions and counterinsurgency operations. In recent decades, elements of the battalion have supported missions in Iraq and Afghanistan, continuing their legacy of service and adaptability in modern conflicts.
4:25th Infantry
U.S. Army
The 4th Battalion, 25th Infantry Regiment (4/25th Infantry) has a distinguished history within the U.S. Army. Originally constituted in the late 19th century, the unit has participated in numerous major conflicts, including World War II, the Korean War, and the Vietnam War, often recognized for its valor and professionalism. Throughout its service, 4/25th Infantry has specialized in light infantry operations, excelling in both conventional and asymmetric warfare environments. The battalion continues to uphold its proud traditions, contributing to global missions and training exercises as part of modern U.S. Army operations.