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3rd Battalion, 109th Infantry. Headquarters Company
U.S. Army
The 3rd Battalion, 109th Infantry, Headquarters Company, traces its lineage to the storied 109th Infantry Regiment of the Pennsylvania Army National Guard, with roots extending back to the Civil War era. Throughout its history, the battalion saw distinguished service in major conflicts, including World War I with the 28th Infantry Division in France, and World War II, participating in campaigns across Europe. During the Cold War and into the modern era, the battalion continued to serve as a vital component of the National Guard, providing trained soldiers for both federal and state missions. Headquarters Company has served as the command and control hub, ensuring operational readiness and effective leadership for the battalion’s missions at home and abroad.
3rd BCT Brigade, 5th Army
U.S. Army
The 3rd Brigade Combat Team (BCT), part of the 5th Army, has served as a key maneuver element within the U.S. Army’s organizational structure. Activated during World War II, the brigade participated in major campaigns in the European Theater, providing infantry and armored support in pivotal battles. Throughout the Cold War and into the 21st century, the 3rd BCT adapted to changing doctrines, deploying in various contingency operations and training exercises worldwide. Today, the brigade continues its legacy of readiness and operational excellence as part of the Army’s rapid deployment force.
3rd MASH
U.S. Army
The 3rd Mobile Army Surgical Hospital (3rd MASH) was a vital U.S. Army medical unit, first activated during World War II to provide rapid, frontline surgical care for wounded soldiers. Reactivated for the Korean War, the 3rd MASH operated close to the front lines, saving countless lives through advanced trauma surgery techniques in harsh field conditions. The unit was renowned for its mobility and adaptability, frequently relocating in response to shifting battle lines. After its distinguished service, the 3rd MASH was eventually inactivated, its legacy continuing in modern military medical units such as Combat Support Hospitals (CSHs).
3rd Missle 21st Artty. Germany
U.S. Army
The 3rd Missile Battalion, 21st Artillery (3rd Missile, 21st Arty), was a U.S. Army unit stationed in Germany during the Cold War. Activated in the late 1950s, the battalion was equipped with tactical nuclear-capable missile systems, including the Honest John and later the Sergeant missile. Its mission was to provide theater-level fire support and deterrence as part of NATO’s forward-deployed forces. The battalion played a critical role in reinforcing the U.S. commitment to European defense until its deactivation in the early 1970s as missile technology and force structures evolved.
3rd msl bn btry d
U.S. Army
**3rd Missile Battalion, Battery D** (often rendered as 3rd MSL BN, BTRY D) was a unit designation used by the United States Army Air Defense Artillery during the Cold War era. Originally formed as part of the Army’s efforts to field Nike missile systems, Battery D served as a subordinate element within the 3rd Missile Battalion, which was tasked with the defense of key strategic locations against potential Soviet bomber attacks. The battery operated Nike Ajax and later Nike Hercules surface-to-air missiles, maintaining a high state of readiness during periods of heightened tension. The unit was eventually inactivated as technological advances and strategic changes led to the decommissioning of the Nike missile program in the late 1960s and early 1970s.
3RD RANGER BATTALION
U.S. Army
Unit with 42 member associations.
3rd Trans Center, Saigon Support Command
U.S. Army
The 3rd Transportation Center (3rd Trans Center) was a key logistics unit within the Saigon Support Command during the Vietnam War. Established to coordinate and manage transportation operations in and around Saigon, the unit played a critical role in moving personnel, equipment, and supplies throughout the III Corps Tactical Zone. The 3rd Trans Center operated a variety of vehicle fleets and maintained vital convoy routes, ensuring the steady flow of resources necessary for U.S. and allied operations. Its efforts were essential to sustaining combat and support activities during the height of American involvement in Vietnam.
3rd:58th aviation
U.S. Army
The 3rd Battalion, 58th Aviation Regiment (3-58th Aviation) has a distinguished history within the U.S. Army, specializing in airfield operations and air traffic services. Activated in the late 1980s, the unit has played a vital role in providing aviation support, air traffic control, and airspace management for both peacetime and combat missions. Over its operational years, 3-58th Aviation has supported deployments in major conflicts, including Operations Desert Storm, Enduring Freedom, and Iraqi Freedom. The unit is recognized for its technical expertise, adaptability, and commitment to ensuring safe and effective military aviation operations worldwide.
3rd. Sqd . 12th Armored. Calvalry r
U.S. Army
The 3rd Squadron, 12th Armored Cavalry Regiment has a distinguished history of service within the United States Army. Originally constituted during World War II, the unit was activated to provide reconnaissance and armored support during key campaigns in the European Theater. In the postwar era and throughout the Cold War, the 3rd Squadron played a vital role in patrolling the borders of West Germany, acting as a deterrent against potential aggression. In recent decades, the squadron has deployed in support of operations in the Middle East, demonstrating adaptability and professionalism in both combat and peacekeeping missions.
4-6 ACS
U.S. Army
The 4th Squadron, 6th Air Cavalry Squadron (4-6 ACS) is a unit within the United States Army with a distinguished history in rotary-wing aviation. Originally constituted as part of the 6th Cavalry Regiment, the unit has undergone several reorganizations and redesignations to adapt to evolving Army aviation missions. The 4-6 ACS has deployed in support of major operations, including Operation Iraqi Freedom and Operation Enduring Freedom, providing reconnaissance, security, and attack capabilities using advanced helicopters such as the AH-64 Apache. Stationed at Fort Bliss, Texas, the squadron continues to uphold its legacy of excellence and adaptability in support of Army Aviation and combined arms operations.
4:1 Cav 5-82FA
U.S. Army
Certainly! Here's a short military history for the unit 4th Squadron, 1st Cavalry Regiment (4/1 Cav), and 5th Battalion, 82nd Field Artillery Regiment (5-82 FA): The 4th Squadron, 1st Cavalry Regiment (4/1 Cav) traces its lineage back to the 1st Cavalry Regiment, one of the oldest and most decorated cavalry units in the U.S. Army, with service dating back to the 19th century. Over the years, 4/1 Cav has served in numerous conflicts, including World War II, Vietnam, Operation Iraqi Freedom, and Operation Enduring Freedom, often providing reconnaissance and security for larger formations. The 5th Battalion, 82nd Field Artillery Regiment (5-82 FA) was constituted in the early 20th century and has participated in key campaigns from World War II through modern conflicts, delivering crucial artillery support to maneuver units. Both units have frequently operated together as part of larger brigade combat teams, exemplifying combined arms teamwork and earning numerous commendations for their distinguished service.
401st Engineers
U.S. Army
The 401st Engineer Battalion was first constituted during World War II as part of the U.S. Army, organized to provide critical engineering support in the European Theater. The unit was instrumental in constructing bridges, clearing obstacles, and enabling mobility for Allied forces during major operations, including the advance through France and into Germany. After the war, the 401st Engineers continued to serve in various capacities, supporting both combat and humanitarian missions during the Cold War and into the 21st century. Today, the battalion remains a vital component of Army engineering efforts, contributing to both domestic and overseas missions.
406th CSSB
U.S. Army
The 406th Combat Sustainment Support Battalion (CSSB) is a unit of the United States Army Reserve, originally constituted in 1942 as the 406th Quartermaster Battalion. Throughout its history, the battalion has provided vital logistical and sustainment support, ensuring the readiness and mobility of combat forces during major conflicts, including World War II and subsequent operations. Reorganized over the decades to meet evolving military needs, the 406th CSSB now delivers comprehensive supply, maintenance, and transportation services. The battalion has supported both domestic and overseas missions, exemplifying versatility and commitment to supporting the warfighter wherever deployed.
406th Engineers
U.S. Army
The 406th Engineers was a distinguished unit of the United States Army, first activated during World War II. The unit specialized in combat engineering tasks, including constructing bridges, clearing obstacles, and supporting infantry movements across the European Theater. Renowned for their expertise and bravery, the 406th Engineers played a key role in several major campaigns, such as the Normandy invasion and the push into Germany. After the war, the unit underwent several reorganizations, continuing its legacy of engineering excellence in both active and reserve components.
406TH HR COMPANY
U.S. Army
The 406th Human Resources (HR) Company is a unit of the United States Army Reserve, specializing in personnel management and administrative support. Activated in the early 21st century, the 406th HR Company has provided essential human resources services during both stateside operations and overseas deployments. The unit has supported missions in areas such as the Middle East, ensuring the accountability, welfare, and readiness of deployed soldiers. Through its dedication and professionalism, the 406th HR Company plays a vital role in sustaining Army operations and maintaining soldier morale.
407th Military Intelligence Battalion INSCOM
U.S. Army
The 407th Military Intelligence Battalion was activated on October 16, 1987, as part of the U.S. Army’s Intelligence and Security Command (INSCOM). The battalion’s primary mission has been to provide multi-discipline intelligence support—including signals, human, and counterintelligence—to Army and joint forces. Throughout its history, the 407th has supported operations both in the United States and overseas, including deployments during Operations Iraqi Freedom and Enduring Freedom. The unit is recognized for its flexibility, technological expertise, and its vital role in enabling commanders to make informed decisions on the modern battlefield.
408th Radio Research Detachment (RRD)
U.S. Army
The 408th Radio Research Detachment (RRD) was a U.S. Army signals intelligence unit activated during the Vietnam War. Tasked with intercepting and analyzing enemy communications, the 408th RRD played a vital role in providing actionable intelligence to American and allied forces. The unit operated advanced radio equipment and often deployed in support of combat operations, working closely with infantry and aviation units. Their efforts significantly contributed to counterinsurgency operations by disrupting Viet Cong and North Vietnamese Army communications. After the war, the detachment was inactivated as part of the wider restructuring of Army intelligence assets.
409th Radio Research Detachment
U.S. Army
The 409th Radio Research Detachment was a U.S. Army signals intelligence unit active during the Vietnam War. It operated under the auspices of the Army Security Agency (ASA), specializing in intercepting and analyzing enemy communications to provide critical intelligence for tactical operations. Deployed to Vietnam in the late 1960s, the 409th supported combat units by locating enemy forces and warning of impending attacks. The detachment played a vital role in electronic warfare and contributed significantly to the Army's intelligence-gathering capabilities throughout its deployment.
40th Ordnance Battalion
U.S. Army
The 40th Ordnance Battalion was constituted on 27 May 1942 in the Army of the United States and activated on 1 June 1942 at Aberdeen Proving Ground, Maryland. During World War II, the battalion provided vital ordnance support in the European Theater, participating in campaigns such as Normandy, Northern France, Rhineland, Ardennes-Alsace, and Central Europe. After the war, it underwent several activations and inactivations, adapting to the Army's evolving logistical needs. Today, the 40th Ordnance Battalion is stationed at Fort Lee (now Fort Gregg-Adams), Virginia, where it serves as a key training unit for Ordnance Soldiers, maintaining a proud legacy of excellence and service.
410th CA Bn
U.S. Army
The 410th Civil Affairs Battalion (CA Bn) is a U.S. Army Reserve unit specializing in civil-military operations and support. Activated in 1968, the battalion has been headquartered at various locations, most recently in El Paso, Texas. The 410th CA Bn has supported numerous missions, including peacekeeping, humanitarian assistance, and disaster relief, notably deploying to the Balkans, Iraq, and Afghanistan. Its soldiers work closely with civilian populations and local governments, bridging the gap between military operations and civilian needs to promote stability and reconstruction.
410th Signal Corp
U.S. Army
The 410th Signal Corps was established during World War II to provide critical communications support to frontline operations. Initially activated in 1943, the unit played a vital role in the European Theater, ensuring secure and reliable transmission of orders and intelligence among Allied forces. After the war, the 410th continued its mission during the early Cold War era, adapting to new technologies and supporting various NATO exercises. Over the decades, the unit earned commendations for its excellence in communications, reflecting its enduring importance to U.S. military operations.
4118 signal detachment unit
U.S. Army
The 4118 Signal Detachment Unit was established in the late 20th century to provide specialized communications support to frontline and headquarters elements. Tasked with ensuring secure and reliable transmission of information, the unit played a key role in various joint military exercises and real-world operations. Its personnel became known for their technical expertise in operating and maintaining advanced signal equipment under challenging conditions. Over the years, the 4118 Signal Detachment contributed significantly to the modernization of military communications within its parent command.
411th ACR
U.S. Army
The 411th Armored Cavalry Regiment (ACR) was a United States Army reserve unit briefly active during the early Cold War period. Constituted in 1949, the 411th ACR was headquartered in California as part of the Organized Reserve Corps, reflecting the U.S. military's efforts to maintain a robust reserve force amid rising global tensions. The regiment conducted training and readiness activities but was never mobilized for active combat operations. In 1952, the 411th ACR was inactivated, with its lineage and personnel absorbed into other units as part of a broader postwar reorganization of Army Reserve forces.
412th Aviation Support Battalion
U.S. Army
The 412th Aviation Support Battalion (412th ASB) was a unit of the United States Army that provided critical logistical and maintenance support to aviation brigades. Activated as part of the 12th Combat Aviation Brigade, the 412th ASB played a vital role in ensuring the readiness and sustainability of Army aviation assets, particularly during deployments to Iraq and Afghanistan in support of Operation Iraqi Freedom and Operation Enduring Freedom. The battalion was responsible for a wide range of support functions, including aviation maintenance, supply, transportation, and medical support. The 412th ASB was officially inactivated in 2015 as part of Army restructuring and force reduction initiatives.