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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.
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