U.S. Army

**E Troop, 1st Air Cavalry, 172nd Infantry Brigade, Fort Wainwright, AK, Military History:** E Troop, 1st Air Cavalry, was a reconnaissance and air mobility unit assigned to the 172nd Infantry Brigade, stationed at Fort Wainwright, Alaska. The troop was responsible for providing aerial reconnaissance, security, and rapid deployment capabilities across the challenging arctic and subarctic terrain of Alaska. Throughout its service, E Troop participated in numerous large-scale training exercises and joint operations, enhancing the brigade's mobility and intelligence-gathering effectiveness. The unit's presence contributed significantly to the defense readiness of U.S. forces in the Pacific and Arctic regions during the Cold War and beyond.

Fitzsimons Army Medical Center, located in Aurora, Colorado, was established in 1918 as U.S. Army General Hospital No. 21 to treat soldiers wounded in World War I and those suffering from tuberculosis. Named in honor of Lt. William T. Fitzsimons, the first American Army officer killed in World War I, the facility rapidly expanded during World War II, becoming a key center for medical research, treatment, and training. Over the decades, Fitzsimons played a critical role in military medicine, including caring for President Dwight D. Eisenhower after his 1955 heart attack. The Army decommissioned the medical center in 1999, and the site is now part of the University of Colorado Anschutz Medical Campus.

From 1973 to 1975, Fort Richardson, located near Anchorage, Alaska, served as a key U.S. Army post supporting the defense of Alaska during the Cold War. The installation was home to elements of the 172nd Infantry Brigade (Separate), a unit responsible for Arctic training and rapid deployment in extreme conditions. During this period, soldiers at Fort Richardson participated in regular cold-weather exercises and joint operations with U.S. Air Force units at nearby Elmendorf Air Force Base. The post played a crucial role in maintaining U.S. military readiness in the northern Pacific region amid ongoing geopolitical tensions.

The Giessen Resident Agency is a subordinate field office of the United States Army Criminal Investigation Division Command (USACIDC), commonly known as CID. Located in Giessen, Germany, the agency has historically been responsible for conducting criminal investigations involving U.S. Army personnel, property, and interests in its area of responsibility. During the Cold War and post-Cold War eras, the Giessen Resident Agency played a key role in ensuring discipline, law enforcement, and the integrity of U.S. military operations in central Germany. The unit has supported both garrison and deployed elements, collaborating closely with host nation law enforcement and other U.S. agencies to counter criminal threats and maintain good order among American forces stationed abroad.

Headquarters, 3rd Battalion, 4th Engineer Regiment, based at Fort Leonard Wood, Missouri, has a storied history of supporting U.S. Army operations. Established during World War II, the unit has provided essential combat engineering support—including mobility, countermobility, and survivability operations—for major conflicts such as Vietnam, Operation Desert Storm, and the Global War on Terrorism. Stationed at Fort Leonard Wood, the battalion plays a vital role in training and preparing Army engineers for deployment worldwide. Throughout its service, Headquarters 3-4 Engineers has earned multiple commendations for its dedication, technical expertise, and unwavering support to combat units.

**Headquarters Army Security Agency (ASA)** served as the central command element for the Army Security Agency, which was established in 1945 as part of the U.S. Army’s effort to consolidate and manage signals intelligence (SIGINT) and communications security operations. Throughout the Cold War, Headquarters ASA directed global intelligence-gathering activities, overseeing numerous field units stationed in Europe, Asia, and other strategic locations. The unit played a pivotal role in intercepting and analyzing enemy communications, contributing significantly to U.S. strategic and tactical decision-making. In 1977, the ASA was merged into the newly formed United States Army Intelligence and Security Command (INSCOM), marking the end of its independent existence.

Headquarters and Headquarters Battery, 2nd Battalion, 28th Field Artillery (HHB 2/28 FA) has a distinguished history within the U.S. Army. Constituted in 1918, the unit has served in a variety of roles, providing critical fire support during major conflicts such as World War II, the Korean War, and the Vietnam War. Over the decades, HHB 2/28 FA has been integral to the success of artillery operations, adapting to evolving military technologies and doctrines. Today, the unit continues its legacy of excellence, supporting U.S. Army missions both at home and abroad.

Headquarters and Headquarters Battery, 1st Battalion, 119th Field Artillery Regiment (HHB 1/119 FA) is a unit of the Michigan Army National Guard with origins tracing back to the late 19th century. The 119th Field Artillery was first organized in 1917 and saw action in World War I as part of the 32nd "Red Arrow" Infantry Division. Over the decades, the unit has served in various capacities, including federal mobilizations during World War II, the Korean War, and more recently in Operation Iraqi Freedom. Today, HHB 1/119 FA continues to provide command and control for the battalion, supporting both state and federal missions.

Headquarters and Headquarters Battery, 1st Battalion, 18th Field Artillery Regiment (HHB 1/18th FA) traces its lineage to the original 18th Field Artillery, which was constituted in 1916 and organized at Camp Lewis, Washington, in 1917. The unit served with distinction in both World Wars, providing critical artillery support in major campaigns. Over the decades, HHB 1/18th FA has participated in numerous operations, adapting to new technologies and roles as part of the U.S. Army’s evolving fire support capabilities. Today, it continues its proud tradition, supporting combat operations and training missions as part of the modern field artillery force.

Headquarters and Headquarters Battery, 94th Air Defense Artillery (HHB 94th ADA) traces its lineage to its initial constitution as part of the U.S. Army’s coastal artillery units in 1918. Over the decades, the unit was reorganized and redesignated multiple times, serving in major conflicts such as World War II and the Cold War, evolving from coastal defense to air defense missions. In the modern era, HHB 94th ADA has played a critical role in providing command, control, and operational support for air and missile defense operations. The unit is recognized for its readiness and contributions to both homeland and overseas contingency operations, upholding a legacy of vigilance and excellence.

HHB DIVARTY (Headquarters and Headquarters Battery, Division Artillery), 8th Infantry Division was an integral artillery command unit stationed in Baumholder, Germany, during the Cold War. Serving under the 8th Infantry Division, HHB DIVARTY provided fire support coordination, command, and control for the division's artillery units, ensuring rapid response to potential Warsaw Pact threats. The unit played a critical role in NATO exercises and readiness drills, maintaining a high state of alert throughout its tenure. Its presence in Baumholder contributed to the broader U.S. Army strategy of deterrence and defense along the inner German border until the division's inactivation in the early 1990s.

Headquarters and Headquarters Company, 1st Battalion, 9th Infantry Regiment (HHC 1-9 INF) has a distinguished history dating back to its original activation in 1855. Nicknamed the “Manchu” Battalion, 1-9 INF earned its moniker during the Boxer Rebellion in China and served with distinction in multiple conflicts, including World War II, the Korean War, and the Vietnam War. Stationed at Camp Hovey, South Korea, HHC 1-9 INF played a critical role in maintaining readiness and deterrence along the Demilitarized Zone as part of the 2nd Infantry Division. The unit’s presence at Camp Hovey underscored its commitment to the U.S.-ROK alliance and regional stability on the Korean Peninsula.

Headquarters and Headquarters Company, 1st Battalion, 23rd Infantry Regiment (HHC 1/23rd Infantry) traces its lineage to the 23rd Infantry Regiment, first constituted in 1812. The regiment has fought in major American conflicts including the Civil War, both World Wars, the Korean War—where it earned the Presidential Unit Citation—and more recent deployments in Iraq and Afghanistan. As the command and support element of the 1st Battalion, HHC has provided essential leadership, planning, and logistical support throughout these operations. Today, HHC 1/23rd Infantry continues its proud legacy as part of the 1st Brigade, 2nd Infantry Division, upholding its motto, "We Serve."

HHC, 1st Battalion, 296th Infantry Regiment is a unit of the Puerto Rico Army National Guard. The 296th Infantry Regiment traces its lineage to the early 20th century and has served in multiple conflicts, including World War II, where its soldiers participated in the defense of the Caribbean and later in the European Theater. The Headquarters and Headquarters Company (HHC) provides command and control, administrative, and logistical support to the battalion. Over the years, HHC 1/296th Infantry has supported both federal missions abroad and domestic operations in Puerto Rico, exemplifying dedication and versatility.

Headquarters and Headquarters Company (HHC), 16th Aviation Battalion was constituted on 3 February 1966 in the Regular Army and activated on 19 February 1966 at Fort Benning, Georgia. The battalion was deployed to Vietnam, where it provided command and control, logistical, and administrative support for subordinate aviation companies engaged in combat and support operations. Throughout its service in Vietnam, the 16th Aviation Battalion played a vital role in air mobility, troop transport, and aerial resupply missions. Following the Vietnam War, the unit was inactivated on 13 March 1973 at Fort Lewis, Washington, and its lineage and honors continue to be recognized in U.S. Army aviation history.

Headquarters and Headquarters Company (HHC), 17th Field Artillery Regiment, boasts a distinguished history within the United States Army. Constituted in 1916, the regiment first saw action during World War I, providing critical artillery support on the Western Front. Over the decades, the 17th Field Artillery participated in major conflicts including World War II, the Korean War, and the Vietnam War, earning numerous campaign streamers and unit commendations. Today, HHC 17th Field Artillery Regiment continues to serve as a vital command and support element, upholding a legacy of excellence and dedication to mission success.

HHC (Headquarters and Headquarters Company), 3rd Armored Division, was a key command element stationed in Frankfurt, Germany, during the Cold War. As part of the legendary "Spearhead" Division, HHC provided critical leadership, planning, and logistical support for division operations throughout its deployment in Europe. The unit played a crucial role in NATO's forward defense posture, conducting extensive training and readiness activities to counter potential Warsaw Pact threats. HHC 3rd Armored remained active in Frankfurt until the division's inactivation in 1992, following the end of the Cold War and U.S. force reductions in Germany.

Headquarters and Headquarters Company, 3rd Ordnance Battalion (HHC 3rd ORD BN) has a distinguished history of providing critical ordnance support to the United States Army. Constituted during World War II, the battalion played a vital role in ammunition supply and explosive ordnance disposal operations across various theaters of operation. In subsequent decades, the unit supported major conflicts including the Korean War, Vietnam War, and Operation Desert Storm, adapting to evolving technologies and threats. Today, HHC 3rd Ordnance Battalion continues its mission, ensuring the safety, security, and effectiveness of Army munitions and explosive ordnance disposal worldwide.

The Headquarters and Headquarters Company, 63rd Signal Battalion (HHC, 63rd Signal Bn) was first constituted on 10 November 1943 in the Army of the United States and activated on 25 November 1943 at Camp Van Dorn, Mississippi. Over the decades, the battalion has provided vital communications support in major conflicts, including World War II, the Korean War, and Operations Desert Shield/Desert Storm. Relocated to Fort Gordon, Georgia, the 63rd Signal Battalion has served as a key element in delivering tactical and strategic communications for United States Army missions worldwide. Today, HHC, 63rd Signal Battalion remains committed to excellence in supporting command, control, communications, and computer operations for the modern battlefield.

**HHC Army Training Center Military History:** The Headquarters and Headquarters Company (HHC), Army Training Center, serves as the command and administrative hub for the Army's basic and advanced training operations. Established to provide centralized leadership and support for training battalions, HHC ensures the effective coordination of personnel, logistics, and resources essential for transforming civilians into well-disciplined soldiers. Throughout its history, HHC has adapted to evolving training doctrines and technological advancements, playing a crucial role during periods of mobilization and modernization. Its enduring mission remains the readiness and professional development of the Army’s newest members, upholding a tradition of excellence in preparing soldiers for service worldwide.

Headquarters and Headquarters Company, Division Support Command, 24th Infantry Division (HHC DISCOM, 24th ID) served as the command and control element for the division’s logistical and support operations. Activated during the Cold War, HHC DISCOM played a crucial role in ensuring the 24th Infantry Division’s combat readiness by managing supply, maintenance, medical, and transportation services. The unit was notably deployed during Operations Desert Shield and Desert Storm in 1990–1991, supporting the division’s rapid advance into Iraq and contributing to the success of coalition forces. Following the Gulf War, HHC DISCOM continued to support training and contingency operations until the division’s inactivation in the mid-1990s.

Headquarters and Headquarters Troop, 2nd Squadron, 11th Armored Cavalry Regiment (HHT 2/11 ACR) serves as the command and control element for the 2nd Squadron of the storied "Blackhorse Regiment." The 11th ACR was constituted in 1901 and has seen action in major conflicts including World War II, the Vietnam War, and Operations Desert Storm and Iraqi Freedom. HHT 2/11 ACR has played a critical role in organizing and supporting squadron operations, particularly during the Vietnam War where the regiment earned distinction for its armored cavalry tactics. Today, HHT 2/11 ACR continues its legacy as part of the Opposing Force at the National Training Center, Fort Irwin, providing realistic training to U.S. Army units deploying worldwide.

**Military Unit: Hospital – Short History** Military hospitals have been crucial support units throughout history, providing medical care to wounded soldiers on and off the battlefield. The concept evolved from informal care tents in ancient armies to dedicated field hospitals by the Napoleonic era, exemplified by the work of figures like Baron Dominique-Jean Larrey. In the 19th and 20th centuries, military hospitals became more organized and mobile, with advancements in surgery, sanitation, and triage improving survival rates. Today, military hospitals operate both in combat zones and at home bases, delivering advanced medical treatment, rehabilitation, and humanitarian aid in conflict and disaster zones worldwide.

**HQ 2/36th Infantry** (Headquarters, 2nd Battalion, 36th Infantry Regiment) traces its lineage to the historic 36th Infantry Regiment, first constituted in 1916 and activated for service during World War I. The 2nd Battalion saw distinguished action in World War II as part of the 3rd Armored Division, participating in key campaigns across Normandy, Northern France, and into Germany. Throughout the Cold War, HQ 2/36th Infantry was stationed in Europe as a vital component of U.S. forward defense strategies. The battalion’s legacy is marked by adaptability and valor, earning numerous commendations before its inactivation during post-Cold War force reductions.