U.S. Army

The 4th Battalion, 20th Infantry Regiment ("4/20th Infantry") is a unit with distinguished service in the United States Army. Originally constituted in 1861 as part of the 11th Infantry, the regiment was reorganized as the 20th Infantry in 1866 and has since participated in numerous major conflicts, including the Indian Wars, Spanish-American War, World War II, and the Vietnam War. The 4th Battalion was activated and inactivated several times throughout its history, notably serving with the 11th Infantry Brigade during the Vietnam War, where it engaged in extensive combat operations. Today, the 4/20th Infantry continues its legacy by training soldiers and supporting Army missions, embodying the motto "Sine Timore" ("Without Fear").

The 40th Signal Battalion was originally constituted on 18 October 1927 in the Regular Army as the 40th Signal Company and activated at Fort Bragg, North Carolina. Throughout World War II, the unit provided critical communications support in the European Theater, facilitating effective command and control for major operations. Over the decades, the battalion has served in various capacities, including deployments during the Cold War and in support of operations in Southwest Asia. Today, the 40th Signal Battalion continues to deliver cutting-edge communications and information systems support to units across the U.S. Army, upholding a legacy of excellence and adaptability.

The 503rd Aviation Battalion was activated during the Vietnam War era to provide critical aviation support for U.S. Army ground operations. Tasked with helicopter transport, reconnaissance, and medical evacuation missions, the battalion played a vital role in increasing the mobility and effectiveness of combat units. Throughout its service, the 503rd was recognized for its adaptability and courage under fire, often operating in challenging terrains and hostile conditions. After Vietnam, the battalion continued to serve in various capacities until its eventual inactivation, leaving a legacy of dedication and professionalism.

The 523rd Military Police (MP) Company is a distinguished unit within the United States Army, originally constituted during World War II. Over its history, the 523rd MP Company has provided critical law enforcement, security, and battlefield circulation control in various theaters of operation, including deployments to Korea, Vietnam, and the Middle East. The unit has played vital roles in supporting both combat and peacekeeping missions, demonstrating adaptability and professionalism in diverse environments. Today, the 523rd MP Company remains committed to upholding the Army’s standards of discipline and security, continuing its proud legacy of service.

The 546th Maintenance Company is a unit within the United States Army specializing in equipment maintenance and support operations. Activated during World War II, the company has provided critical maintenance and logistical support to ensure the readiness of combat and support vehicles. Over the decades, the 546th has deployed in support of major operations, including Operation Iraqi Freedom and Operation Enduring Freedom, where its expertise in repairing and sustaining military assets played a vital role. The company's commitment to excellence continues as it upholds its mission to maintain operational effectiveness for supported units worldwide.

The 619th Ordnance Company (619th ORD CO) was a United States Army unit stationed at North Point, Germany, during the Cold War era. Tasked primarily with the storage, maintenance, and security of special weapons, the company played a critical role in NATO’s deterrence strategy in Europe. Personnel of the 619th ORD CO were highly trained in munitions handling and operated under strict security protocols due to the sensitive nature of their mission. The unit was eventually deactivated following the end of the Cold War, as part of broader reductions and realignments of U.S. forces in Germany.

The 7th Radio Research Field Station (7th RRFS) was a United States Army signals intelligence unit based at Ramasun Station near Udorn Thani, Thailand, during the Vietnam War. Activated in the mid-1960s, the unit played a crucial role in intercepting and analyzing enemy communications, providing timely intelligence to U.S. and allied forces in Southeast Asia. The 7th RRFS operated advanced electronic equipment and worked closely with other branches of the U.S. military and intelligence agencies. The station remained active until the U.S. drawdown in the region, officially ceasing operations in the mid-1970s.

The Army Infantry School at Fort Benning, established in 1918 in Georgia, has long served as the premier institution for training the U.S. Army's infantry forces. Throughout its history, the school has developed and refined the tactics, techniques, and leadership skills required of infantry soldiers and officers. It played a pivotal role in preparing troops for every major conflict from World War I through the present day, including innovations in airborne, mechanized, and light infantry operations. Today, the Infantry School remains central to the Maneuver Center of Excellence, shaping the future of Army infantry warfare.

Fitzsimons Army Medical Center, originally established in 1918 as U.S. Army General Hospital No. 21 in Aurora, Colorado, was created in response to the influenza pandemic and to treat soldiers with tuberculosis. Renamed in 1920 to honor Lt. William T. Fitzsimons, the first American medical officer killed in World War I, the facility became a leading center for respiratory disease care and military medicine. During World War II, Fitzsimons expanded significantly, serving thousands of wounded service members and training medical personnel. The center continued its role in military and veteran care throughout the Cold War before closing as an Army facility in 1999.

The United States Army Pacific (USARPAC) and the Eighth Army (8th Army) are key components of the U.S. military presence in the Asia-Pacific region. Eighth Army was activated in 1944 during World War II and played a crucial role in the Pacific theater, later becoming the primary ground force during the Korean War. After the Korean War, the 8th Army remained in South Korea, where it continues to serve as a deterrent and support for the Republic of Korea. USARPAC, headquartered in Hawaii, oversees Army forces in the Pacific, providing strategic leadership and operational support, with the Eighth Army as one of its major subordinate commands.

The 1st Battalion, 121st Field Artillery Regiment (1/121st FA) is a unit of the Wisconsin Army National Guard with a distinguished lineage dating back to its formation in 1917. Originally organized for service in World War I, the battalion has supported U.S. Army operations in both World Wars, as well as subsequent conflicts and peacekeeping missions. The 1/121st FA is equipped with modern artillery systems and has played a vital role in providing fire support and force protection for maneuver units. Throughout its history, the battalion has demonstrated adaptability and professionalism, earning numerous commendations for its service at home and abroad.

The 1097th Transportation Company (Medium Boat) is a U.S. Army Reserve unit specializing in waterborne logistics and transportation operations. Activated in the post-World War II era, the 1097th has provided critical support in moving troops, vehicles, and supplies across rivers, coastal areas, and harbors. The unit has participated in numerous training exercises and mobilizations, including deployments in support of Operation Iraqi Freedom, where its soldiers operated landing craft and managed port operations. Renowned for its expertise in amphibious operations, the 1097th continues to play a vital role in ensuring the Army’s logistical flexibility across diverse environments.

The 113th Infantry traces its origins to the American Revolution, with its earliest elements formed in 1775 as part of the New Jersey Militia. Over the centuries, the unit served in key conflicts including the War of 1812, the Civil War, and both World Wars. During World War I, the 113th Infantry was federalized and assigned to the 29th Division, participating in major operations such as the Meuse-Argonne Offensive. In World War II, the regiment served in the defense of the continental United States and later as a training and replacement unit. Today, the 113th Infantry continues its legacy as part of the New Jersey Army National Guard, maintaining readiness for federal and state missions.

The 169th Engineer Battalion was first constituted on 10 March 1943 in the Army of the United States and activated on 25 April 1943 at Camp Beale, California. During World War II, the battalion served with distinction in the Pacific Theater, participating in campaigns across New Guinea, Leyte, and Luzon. After deactivation post-war, the unit was reactivated and has since played vital roles in both combat and construction missions, including service in Vietnam and support to operations in Iraq and Afghanistan. Today, the 169th Engineer Battalion is based at Fort Leonard Wood, Missouri, where it conducts advanced individual training for Engineer Soldiers.

The 199th Personnel Service Company (PSC) is a U.S. Army unit specializing in human resources and administrative support for soldiers and their families. Activated during the post-Vietnam era, the 199th PSC has provided personnel services such as records management, casualty reporting, and postal operations for various commands. Throughout its history, the company has deployed in support of numerous operations, including missions in Southwest Asia and the Balkans. The 199th PSC’s commitment to efficient and accurate personnel support has contributed significantly to the readiness and welfare of deployed Army units.

The 1st Corps Support Command (1st COSCOM) was activated on 1 May 1950 at Fort Riley, Kansas, to provide logistical and sustainment support to the XVIII Airborne Corps. Throughout the Cold War, the unit played a crucial role in supporting U.S. Army operations and exercises both at home and abroad. During Operations Desert Shield and Desert Storm in 1990-1991, 1st COSCOM provided vital logistics support to coalition forces in Southwest Asia. The command was later redesignated as the 1st Sustainment Command (Theater) in 2006, continuing its legacy of providing comprehensive support to Army and joint forces worldwide.

The 2nd Battalion, 14th Infantry Regiment (2/14th Infantry), known as the "Golden Dragons," was originally constituted in 1861 and has participated in numerous conflicts throughout U.S. history. The battalion distinguished itself in the Indian Wars, the Philippine-American War, and saw extensive combat during World War II in the Pacific Theater. During the Vietnam War, the 2/14th Infantry earned a reputation for valor and effectiveness, participating in major operations such as the Tet Offensive. In more recent years, the unit has deployed in support of operations in Iraq and Afghanistan, continuing its legacy of service within the 10th Mountain Division.

The 2nd Battalion, 29th Field Artillery Regiment (2/29th FA) was originally constituted on 5 July 1918 in the National Army as part of the 10th Division. Reactivated and reorganized multiple times throughout its history, the unit saw significant service during World War II, supporting Allied operations in the European Theater. During the Cold War, 2/29th FA was stationed in West Germany as part of U.S. Army Europe, providing artillery support and deterrence against potential Soviet aggression. In more recent years, the battalion has been based at Fort Sill, Oklahoma, where it serves as a key training unit for field artillery soldiers.

The 2nd Battalion, 4th Infantry Regiment (2/4 Inf), known as the “Warriors,” boasts a distinguished lineage dating back to its activation in 1861 during the American Civil War. Over its long history, the unit has served in numerous major conflicts, including the Indian Wars, World War II, Vietnam War, and operations in the Balkans, Iraq, and Afghanistan. During the Vietnam War, 2/4 Inf earned a reputation for valor and resilience, participating in significant combat operations and earning multiple unit citations. Today, the battalion continues its legacy as part of the U.S. Army’s combat forces, upholding traditions of honor, service, and excellence.

The 2nd Squadron, 6th Cavalry Regiment (2/6th CAV) is a distinguished unit in the United States Army with a lineage dating back to its original formation in 1861 as part of the 3rd Cavalry Regiment. The squadron has served with distinction in numerous conflicts, including World War II, the Vietnam War, and recent operations in Iraq and Afghanistan. Traditionally an armored reconnaissance and attack unit, 2/6th CAV has operated a variety of platforms, ranging from horses in its early history to modern AH-64 Apache helicopters. Today, it continues its mission of providing aerial reconnaissance, security, and attack capabilities as part of Army aviation forces.

The 2nd Battalion, 75th Ranger Regiment (2/75), was first constituted during World War II and reactivated in 1974 at Fort Lewis, Washington as part of the modern 75th Ranger Regiment. Renowned for its elite light-infantry capabilities, 2/75 has participated in major operations such as the 1989 invasion of Panama (Operation Just Cause), the 2003 Iraq invasion (Operation Iraqi Freedom), and numerous deployments to Afghanistan. The battalion specializes in direct action raids, airfield seizures, and special reconnaissance. Over the decades, 2/75 Rangers have earned a reputation for rapid deployment, high readiness, and exceptional professionalism in the U.S. Army’s special operations community.

The 25th Signal Battalion was originally constituted on 3 February 1944 in the Army of the United States and activated on 14 February 1944 at Camp Forrest, Tennessee. The battalion provided vital communications support during World War II, participating in campaigns in Northern France, Rhineland, Ardennes-Alsace, and Central Europe. After inactivation in 1946, the unit was reactivated and has since supported various military operations, providing tactical communications for command and control. Over the decades, the 25th Signal Battalion has adapted to evolving technology, playing a key role in ensuring secure and reliable communications for U.S. Army operations worldwide.

The 2nd Force Service Regiment (2nd FSR) is a logistics unit within the Australian Army, forming part of the 17th Sustainment Brigade. Established in 2011 through the amalgamation of several existing logistic units, its primary mission is to provide combat service support—including transport, supply, maintenance, and health services—to Army formations during both peacetime and operations. The regiment has contributed personnel and resources to major Australian Defence Force operations, such as those in the Middle East and the Pacific region. Headquartered at Gallipoli Barracks in Brisbane, the 2nd FSR continues to play a vital role in ensuring the operational readiness and sustainment of Australian Army forces.

The 349th General Dispensary (349th Gen Disp) was a U.S. Army medical unit activated during the Cold War era to provide medical and dental care to American military personnel stationed overseas. Stationed primarily in Germany, the unit supported various U.S. Army communities, including dependents and civilians, ensuring readiness and health in a forward-deployed environment. Throughout its service, the 349th Gen Disp played a crucial role in medical support during both routine operations and emergency situations, contributing to the overall mission of U.S. Army Europe. The unit was eventually inactivated as part of post-Cold War force reductions and restructuring.