U.S. Army

The 313th Signal Battalion was first constituted on 29 July 1921 in the Organized Reserves as the 313th Field Signal Battalion and assigned to the 88th Division. The unit was organized in January 1922 at Minneapolis, Minnesota, and served stateside during World War II, providing critical communications support. After multiple activations and inactivations, it was redesignated as the 313th Signal Battalion in 1959. Throughout its history, the battalion has been responsible for delivering vital signal and communication services, supporting both training and operational missions for the U.S. Army.

The 326th Combat Engineer Battalion is a distinguished unit of the United States Army with a lineage dating back to World War I. Officially constituted in 1918, the battalion became renowned for its vital engineering support during World War II as part of the 101st Airborne Division, most notably in the Normandy invasion and the Battle of the Bulge. Throughout the Vietnam War, the 326th provided critical mobility, countermobility, and survivability support to airborne operations. In modern times, the battalion continues to serve with the 101st Airborne Division, supporting operations in Iraq, Afghanistan, and other global deployments.

The 335th Radio Research Company (335th RRC) was a U.S. Army signals intelligence unit activated during the Vietnam War. Established in 1966, the unit specialized in intercepting and analyzing enemy communications, supporting combat operations with vital intelligence. The 335th RRC operated primarily in the Central Highlands of South Vietnam, often working closely with U.S. and allied ground forces. Its contributions were crucial in disrupting enemy plans and improving battlefield awareness until its inactivation following the drawdown of U.S. forces in the early 1970s.

The 336th Assault Helicopter Company (AHC), known as the "Warriors," was a distinguished helicopter unit of the United States Army during the Vietnam War. Activated in 1966 and based at Sóc Trăng in the Mekong Delta, the 336th AHC provided critical air mobility, troop insertion and extraction, resupply, and medical evacuation missions throughout the region. The unit operated UH-1 "Huey" helicopters and worked closely with both U.S. and South Vietnamese forces, often under heavy enemy fire. The 336th AHC was recognized for its bravery and effectiveness until its deactivation in 1972 as part of the U.S. drawdown from Vietnam.

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.

The 348th General Hospital was a United States Army medical unit activated during World War II. Organized in 1942, the unit trained extensively in the United States before deploying to the European Theater of Operations. The 348th provided crucial medical support for American and Allied forces, treating wounded soldiers and managing medical logistics in the aftermath of major campaigns. After the war, the unit was inactivated, but its service contributed significantly to the successful care and recovery of thousands of service members during the conflict.

The 365th Combat Support Company is a unit within the United States Army Reserve, providing essential logistical and operational support to larger formations. Activated in the mid-20th century, the company has contributed to various training exercises and mobilizations, supporting both domestic missions and overseas deployments. Its personnel specialize in supply, maintenance, and transportation, ensuring frontline units receive necessary resources under challenging conditions. Over the years, the 365th Combat Support Company has built a reputation for reliability and adaptability, serving with distinction in support of Army operations.

The 36th Evacuation Hospital was a distinguished U.S. Army medical unit activated during World War II. Initially organized in 1941, the unit deployed to the European Theater, providing critical medical support during major campaigns such as the Normandy invasion and the Battle of the Bulge. The hospital followed advancing Allied forces through France, Belgium, and into Germany, treating thousands of wounded soldiers. After the war, the 36th Evacuation Hospital was inactivated, but its legacy of service and lifesaving care remains a notable part of U.S. Army medical history.

The 3rd Air Defense Artillery Regiment (3rd ADA) traces its lineage back to 1812, originally formed as part of the U.S. Army’s coastal artillery. Over the centuries, it has served in numerous conflicts, including the War of 1812, the Civil War, both World Wars, and the Cold War, often evolving with advancements in air defense technology. During the 20th century, the regiment transitioned from coastal and anti-aircraft artillery to modern air defense, operating systems such as the Nike and later the Patriot missile systems. Today, the 3rd ADA continues its legacy by providing critical air and missile defense capabilities to protect U.S. and allied forces worldwide.

The 43rd Mobile Army Surgical Hospital (MASH) was a United States Army unit established during the Korean War, tasked with providing rapid and advanced surgical care close to the front lines. Renowned for its mobility and efficiency, the 43rd MASH played a crucial role in saving countless lives by stabilizing wounded soldiers before they were evacuated to more permanent medical facilities. The unit became widely recognized in popular culture due to its portrayal in the novel, film, and television series "M*A*S*H," though the stories were a blend of fiction and accounts from various MASH units. The innovations and experiences of the 43rd MASH contributed significantly to the development of modern battlefield medicine and led to the evolution of the contemporary Combat Support Hospital (CSH) system.

The 478th Engineer Battalion (EN BN) is a U.S. Army Reserve unit with a distinguished history of service. Activated during World War II, the battalion supported Allied operations in Europe by constructing bridges, clearing obstacles, and providing critical combat engineering support. In subsequent decades, the 478th EN BN participated in numerous training exercises and deployments, including support for operations in Southwest Asia and disaster relief missions at home. The battalion continues to serve as an essential element of the Army Reserve's engineering capability, demonstrating readiness and professionalism in every mission.

The 498th Transportation Company is a United States Army unit with a distinguished history of logistical support. Activated during the Vietnam War, the 498th provided critical transportation services, moving supplies, equipment, and personnel throughout the conflict. Over the years, the unit has participated in various operations, adapting to changing missions and technologies to support Army readiness. Today, the 498th Transportation Company continues to serve as a vital component of military logistics, ensuring the effective movement of resources wherever needed.

The 4th Combat Aviation Brigade (4th CAB), part of the 4th Infantry Division, was first constituted in 1957 and has since played a pivotal role in U.S. Army aviation operations. The brigade has supported a wide range of missions, including combat deployments to Iraq and Afghanistan, where it provided critical aviation support such as air assault, reconnaissance, and medical evacuation. Stationed at Fort Carson, Colorado, the 4th CAB is recognized for its adaptability and excellence in both combat and humanitarian operations. Over the years, the unit has earned numerous commendations, reflecting its commitment to mission success and soldier welfare.

The 4th Force Service Support Group (FSSG), Medical Logistics (MedLog) Battalion, based in San Diego, CA, played a crucial role in supporting the United States Marine Corps Reserve. The battalion was responsible for providing comprehensive medical logistics, including supply, maintenance, and support of medical equipment and supplies to Marine forces. Throughout its history, MedLog Battalion supported numerous training exercises and deployments, ensuring combat readiness and effective medical care in both peacetime and contingency operations. The unit’s professionalism and efficiency contributed significantly to the overall mission success of the 4th FSSG before its transition to the Marine Forces Reserve’s current logistics structure.

The 4th Missile Command was a United States Army unit responsible for overseeing ballistic missile defense operations during the Cold War. Activated in 1961 and headquartered at Redstone Arsenal, Alabama, the unit managed the deployment and operational readiness of Nike-Hercules and later Safeguard and Sentinel missile systems. Its primary mission was to provide air and missile defense for critical areas in the continental United States against potential Soviet attacks. The 4th Missile Command was inactivated in the early 1970s as missile defense strategies evolved and newer technologies emerged.

The 4th Support and Transportation (S&T) Battalion has a distinguished history of providing vital logistical and transportation support to its parent brigade within the U.S. Army. Activated in the mid-20th century, the battalion has supported numerous operations, from large-scale deployments during the Cold War era to contingency operations in the Middle East. Throughout its service, the 4th S&T Battalion has been recognized for its adaptability and efficiency in sustaining combat and humanitarian missions. Its soldiers continue to uphold a proud tradition of excellence, ensuring the mobility and readiness of their supported units.

The 5th Battalion, 20th Infantry Regiment (5/20th Infantry) is a distinguished unit of the United States Army with a history dating back to its original activation in 1866. The battalion saw significant action during the Vietnam War, where it participated in numerous combat operations and earned several unit commendations for valor and performance. In the modern era, 5/20th Infantry has been part of the 1st Brigade, 2nd Infantry Division, based at Joint Base Lewis-McChord, Washington, and has deployed in support of Operations Iraqi Freedom and Enduring Freedom. The battalion continues to uphold its proud legacy of service and excellence as a key component of the Army’s Stryker Brigade Combat Teams.

The **501st Signal Battalion** is a distinguished unit within the U.S. Army’s **101st Airborne Division (Air Assault)**. Activated during World War II, the 501st provided critical communications support during major campaigns, including the Normandy invasion, Operation Market Garden, and the Battle of the Bulge. Throughout the Cold War, Vietnam, and beyond, the battalion ensured secure and reliable communications for airborne operations and rapid deployments. The 501st Signal Battalion continues to uphold its legacy of excellence, supporting the 101st Airborne Division’s global missions with state-of-the-art signal and cyber capabilities.

The 512th Artillery was activated during World War II to provide crucial fire support to frontline combat units. Initially equipped with towed howitzers, the battalion participated in several major campaigns across the European Theater, including the Battle of the Bulge. After the war, the 512th was reorganized and served as part of the U.S. Army’s Cold War artillery forces, adapting to new technologies and missions. Today, the unit’s legacy is remembered for its distinguished service and contribution to combined arms operations.

The 514th Maintenance Company is a unit within the United States Army, tasked with providing maintenance and logistical support to ensure operational readiness of military vehicles and equipment. Throughout its history, the 514th has supported various operations, including deployments in support of Operation Iraqi Freedom and Operation Enduring Freedom. The company is known for its expertise in field-level maintenance, repair, and recovery missions, often operating in challenging environments. Its dedication has been recognized through multiple commendations, reflecting the unit’s crucial role in sustaining combat effectiveness for supported units.

The 516th Engineer Company, often known as the "Road Warriors," has a distinguished history of service within the United States Army. Activated during World War II, the company played a critical role in constructing and maintaining vital infrastructure, including roads and bridges, in support of Allied operations in Europe. In subsequent decades, the 516th has deployed in support of various missions, including operations in Iraq and Afghanistan, providing essential engineering support such as route clearance and base construction. Today, the 516th Engineer Company continues to serve as a key combat engineer unit, ready to support both domestic and overseas missions.

The 51st Expeditionary Signal Battalion traces its lineage to the activation of the 51st Signal Battalion in 1940. During World War II, the unit provided vital communications support for Allied operations in the European Theater, participating in campaigns such as Normandy and the Rhineland. Re-designated as the 51st Expeditionary Signal Battalion, it has since supported numerous operations, including those in Southwest Asia and the Global War on Terrorism. Today, the battalion continues to deliver robust and expeditionary communications capabilities to support U.S. Army missions worldwide.

The 526th Engineer Detachment is a specialized unit within the United States Army, primarily tasked with providing engineering support and technical expertise to larger formations. Activated during the Cold War era, the detachment played a vital role in supporting construction, mobility, and counter-mobility operations both in the continental United States and overseas. Over the years, the 526th has participated in various training exercises and deployments, often working alongside allied forces to enhance infrastructure and operational capability. The unit’s adaptability and technical proficiency have made it a valuable asset in both combat and peacetime missions.

The 541st Combat Engineer Company is a specialized unit within the U.S. Army Corps of Engineers, with a history dating back to World War II. Originally activated in 1943, the company played a crucial role in constructing and repairing bridges, clearing obstacles, and supporting infantry operations in the European Theater. Over the decades, the 541st has deployed to numerous conflict zones, including Korea, Vietnam, and the Middle East, providing essential engineering support in both combat and humanitarian missions. Renowned for its expertise and adaptability, the 541st continues to serve as a vital asset in modern Army engineering operations.