U.S. Army

Headquarters and Headquarters Company (HHC), 299th Engineer Battalion (Combat) was constituted on 5 May 1942 and activated on 15 August 1942 at Camp White, Oregon. The battalion served with distinction during World War II, participating in campaigns across Europe, including Normandy, Northern France, Rhineland, Ardennes-Alsace, and Central Europe. Reactivated and reorganized several times during the Cold War era, the 299th supported operations in Vietnam, earning multiple commendations for its engineering and combat support roles. In recent decades, the unit has deployed in support of operations in the Middle East, demonstrating continued excellence in mobility, countermobility, and survivability engineering tasks.

Headquarters and Headquarters Company (HHC), 2nd Brigade, 1st Infantry Division, has a storied legacy within the U.S. Army. The 2nd Brigade, originally constituted in 1917, has participated in major conflicts, including World War I, World War II, the Vietnam War, and Operations Desert Storm, Iraqi Freedom, and Enduring Freedom. As the command and administrative hub of the brigade, HHC has played a crucial role in coordinating combat operations, logistics, and support functions. The unit continues to uphold the proud traditions and fighting spirit of the "Big Red One," maintaining readiness for deployment worldwide.

Headquarters and Headquarters Company (HHC), 3rd Battalion, 327th Infantry Regiment, is a distinguished unit within the 101st Airborne Division (Air Assault) stationed at Fort Campbell, Kentucky. The 327th Infantry Regiment, known as the "Bastogne Bulldogs," boasts a proud lineage dating back to its activation in World War I and is renowned for its valor in World War II, Vietnam, and the Global War on Terrorism. The 3rd Battalion has seen action in numerous major operations, including the Normandy landings, Operation Market Garden, and multiple deployments to Iraq and Afghanistan. HHC provides essential command, control, and administrative support, ensuring the battalion's operational effectiveness in both training and combat missions.

The Headquarters and Headquarters Company, 326th Medical Battalion (HHC 326th Medical) was a key medical support unit within the 101st Airborne Division (Air Assault) of the United States Army. Activated during World War II, the unit provided critical medical care and evacuation services during major campaigns, including Normandy, Operation Market Garden, and the Battle of the Bulge. In the Vietnam War, HHC 326th Medical supported the division throughout numerous combat operations, earning multiple unit commendations for bravery and efficiency. Over the decades, the unit continued to adapt to changing medical needs, maintaining its reputation for excellence in both combat and humanitarian missions.

The Headquarters and Headquarters Company (HHC), 32d Separate Infantry Brigade (32d Sep Inf Bde) traces its lineage to the famed 32d Infantry Division, which distinguished itself in World War I and World War II. In 1967, the 32d Infantry Division was reorganized within the Wisconsin Army National Guard as the 32d Separate Infantry Brigade, with HHC serving as the command element. Throughout the Cold War era, HHC 32d Sep Inf Bde was responsible for overseeing training, readiness, and mobilization of subordinate units, maintaining a high state of preparedness. The brigade later evolved, eventually becoming the 32d Infantry Brigade Combat Team, continuing its legacy of service and excellence within the National Guard.

The Headquarters and Headquarters Company (HHC), 336th Ordnance Battalion is a U.S. Army Reserve unit with a distinguished history of providing vital ordnance support. Constituted in the Army Reserve in 1942, the battalion has seen service in multiple major conflicts, including World War II and subsequent operations. HHC 336th Ordnance specializes in ammunition supply, maintenance, and explosive ordnance disposal, supporting both training and combat missions. Over the decades, the unit has played a crucial role in ensuring the readiness and safety of U.S. Army forces through expert ordnance management and logistical support.

Headquarters and Headquarters Company (HHC), 3rd Battalion, 19th Infantry Regiment, boasts a distinguished lineage within the United States Army. The 19th Infantry Regiment was originally constituted in 1861 and has since participated in major conflicts including the Civil War, Philippine Insurrection, World War II, and the Korean War. The 3rd Battalion has served with honor in both combat and garrison roles, supporting major operations and providing leadership, planning, and administrative support to subordinate companies. Today, HHC 3-19th Infantry continues its tradition of excellence, upholding the regiment's legacy of service and commitment to mission readiness.

HHC 4th Battalion, 502nd Infantry Regiment (4/502nd) and HHC 6th Battalion, 502nd Infantry Regiment (6/502nd) were key components of the Berlin Brigade during the Cold War. Stationed in West Berlin, these headquarters and headquarters companies played vital roles in command, control, and support for their respective maneuver battalions. Tasked with defending the Western enclave deep inside Soviet-controlled East Germany, their presence served as a powerful symbol of American commitment to Berlin's freedom and NATO solidarity. Both units participated in regular training exercises, patrols, and ceremonies, maintaining high readiness until the Brigade’s inactivation following German reunification in the early 1990s.

Headquarters and Headquarters Company, 45th Corps Support Group (Forward), known as HHC 45th CSG (FWD), served as the command and control element for logistics operations within its assigned theater. The unit was tasked with providing sustainment, transportation, maintenance, and supply support to U.S. Army forces, particularly during deployments and contingency operations. Throughout its history, the 45th CSG (FWD) has supported numerous missions, including Operation Iraqi Freedom and Operation Enduring Freedom, ensuring critical supplies and services reached front-line units. The dedication and professionalism of HHC 45th CSG (FWD) have contributed significantly to the operational readiness and success of supported forces.

Headquarters and Headquarters Company, 5th Infantry Division (HHC, 5th Inf Div), also known as the "Red Diamond" division, has a distinguished history dating back to its activation in December 1917 during World War I. The division saw significant combat in France, participating in major campaigns such as St. Mihiel and Meuse-Argonne. Reactivated for World War II, the 5th Infantry Division landed in Normandy, fought across France, and played a key role in the Battle of the Bulge and the drive into Germany. The division was later deployed to Vietnam, where it conducted operations in the Quảng Trị Province, before its inactivation in 1992.

HHC 5th Transportation Command (APO 96238), United States Army Vietnam (USARV), served as the headquarters and headquarters company for the 5th Transportation Command during the Vietnam War. Activated in Southeast Asia, the unit was responsible for overseeing and coordinating transportation operations, including the movement of troops, equipment, and supplies throughout the USARV area of operations. The unit managed port operations, convoy security, and logistical support to ensure the effective sustainment of American and allied forces. HHC 5th Trans Comd played a pivotal role in maintaining the logistical lifelines essential for combat and support missions until the drawdown of U.S. forces in Vietnam.

**HHC, 6th Air Combat Division** was established as the headquarters and headquarters company for the 6th Air Combat Division, playing a pivotal role in organizing and commanding aviation assets within its assigned theater. Activated during the Cold War era, the division was tasked with providing command and control for air assault, reconnaissance, and support missions, ensuring rapid deployment and operational flexibility. Throughout its history, HHC, 6th Air Combat Division supported numerous training exercises and contingency operations, enhancing joint force readiness and interoperability. The unit's legacy reflects a commitment to excellence in aviation command and support, contributing significantly to the overall mission success of U.S. Army aviation forces.

The Headquarters and Headquarters Company, 7th Battalion, 159th Aviation Regiment (HHC, 7-159th AVN) traces its roots to the U.S. Army’s expansion of aviation support capabilities in the late 20th century. Officially constituted in 1987, the battalion became an integral aviation support element, providing command, control, and logistical support for aviation operations. Over the years, HHC, 7-159th AVN has supported numerous training exercises and overseas deployments, including missions in support of Operation Iraqi Freedom and Operation Enduring Freedom. Its personnel are known for their technical expertise, adaptability, and commitment to mission success within U.S. Army Aviation.

Headquarters and Headquarters Company, 7th Infantry Division (Division Support Command), known as HHC 7th ID DISCOM, served as the primary support element for the 7th Infantry Division. Activated at Fort Ord, California, the DISCOM provided logistical, maintenance, medical, and administrative support to the division’s combat units. Throughout its history, HHC 7th ID DISCOM played a crucial role during operations such as Operation Just Cause in Panama (1989), ensuring the division’s operational readiness. The unit continued its support mission until the 7th Infantry Division was inactivated in the mid-1990s.

The Headquarters and Headquarters Company (HHC), 82nd Engineer Battalion, has a distinguished history within the United States Army. Constituted in 1917, the battalion first saw service in World War I, providing critical engineering support on the Western Front. During World War II, the 82nd Engineer Battalion participated in key campaigns across Europe, including the Normandy landings and the advance into Germany. In recent decades, the unit has deployed in support of operations in the Balkans, Iraq, and Afghanistan, continuing its legacy of providing essential combat engineering and support capabilities.

**HHC, 9th Aviation Battalion, Fort Lewis, WA 98433**, served as the Headquarters and Headquarters Company for the 9th Aviation Battalion, providing essential command, control, and administrative support. Originally activated during the Vietnam era, the battalion played a significant role in providing aviation support, including troop transport, reconnaissance, and logistical operations. Stationed at Fort Lewis, Washington, HHC 9th AVN Bn supported both training and operational missions, preparing units for rapid deployment and versatility in combat and peacetime operations. The unit’s legacy includes contributions to both national defense and humanitarian missions, reflecting the adaptability and professionalism of Army aviation forces.

HHC Special Troops (2154), 1st U.S. Army, based at Fort Lee, Virginia, served as the headquarters and headquarters company for specialized support elements within the 1st U.S. Army. During its active years, the unit provided command, administrative, and logistical support to subordinate elements, ensuring mission readiness and operational effectiveness. The unit played a vital role in training, mobilization, and support operations, particularly in preparing Army Reserve and National Guard units for deployment. HHC SP Trps (2154) contributed significantly to the 1st U.S. Army’s mission of homeland defense and support for both stateside and overseas contingencies from its strategic position at Fort Lee.

HHC, US Army Support Command Thailand was established during the Vietnam War era to oversee and coordinate logistical and administrative support for U.S. Army operations in Thailand. Activated in the 1960s, its mission was to manage supply, transportation, maintenance, and personnel services for American forces and installations throughout the country. The unit played a critical role in supporting air and ground operations, particularly for bases involved in the Southeast Asia conflict. Following the U.S. withdrawal from Vietnam and the drawdown of American presence in Thailand, HHC, US Army Support Command Thailand was inactivated in the mid-1970s.

**HHC, USAARENBD (Headquarters and Headquarters Company, United States Army Regional Enlisted/NCO Board Division)** is a support and command unit traditionally responsible for administrative, operational, and logistical functions within its parent organization. Since its establishment, HHC USAARENBD has played a crucial role in overseeing the coordination and execution of enlisted personnel management and board processes across its assigned region. The unit has often supported various Army initiatives, ensuring standards and professionalism among enlisted ranks. Throughout its history, HHC USAARENBD has adapted to the evolving needs of the Army, maintaining readiness and effective leadership support for both wartime and peacetime missions. *Note: If you have a specific region or time period in mind, please provide more details, as "USAARENBD" appears to be a placeholder or a less common abbreviation.*

Headquarters and Headquarters Company (HHC), 1st Battalion, 16th Infantry Regiment, known as the “Iron Rangers,” traces its lineage to the 16th Infantry Regiment, activated in 1861. The battalion has participated in major conflicts including World Wars I and II, Vietnam, Operation Desert Storm, and the Global War on Terrorism. HHC, as the command and control element, has supported the battalion’s missions across Europe, the Pacific, and the Middle East. Today, HHC, 1-16th Infantry Regiment continues to serve as a vital element of the 1st Infantry Division, upholding a legacy of excellence and dedication.

Headquarters and Headquarters Company (HHC), 1st Brigade, 4th Infantry Division, has a distinguished history dating back to its activation in 1917 during World War I. The brigade participated in major campaigns in both World Wars, including the Normandy landings and the liberation of France. During the Vietnam War, the 1st Brigade played a significant role in numerous combat operations. In recent decades, HHC, 1st Brigade has deployed in support of Operation Iraqi Freedom and Operation Enduring Freedom, earning a reputation for professionalism and mission success.

Headquarters and Headquarters Company, United States Army Civil Affairs and Psychological Operations Command (Airborne) [HHC, USACAPOC(A)] was constituted on 27 November 1990 and activated at Fort Bragg, North Carolina. As the headquarters element of USACAPOC(A), HHC provides command, control, and administrative support to the Army Reserve’s Civil Affairs and Psychological Operations forces. Throughout its history, HHC has overseen the deployment and integration of specialized units in operations worldwide, including humanitarian missions, peacekeeping, and combat support roles in Iraq, Afghanistan, and the Balkans. The unit continues to play a pivotal role in supporting U.S. military objectives by coordinating civil-military operations and information campaigns globally.

Headquarters and Headquarters Company, 1st Squadron, 17th Cavalry Regiment (HHC, 1/17th Cav) traces its lineage back to the original 17th Cavalry, constituted in 1916. Over the decades, the unit has served with distinction in major conflicts, including the Vietnam War, where it conducted aerial reconnaissance and security missions. As part of the 82nd Airborne Division, HHC, 1/17th Cav has remained a vital element, providing command and control for the squadron’s reconnaissance and security operations. Today, it continues to support airborne and rapid deployment missions, upholding a proud tradition of cavalry excellence.

The Headquarters and Headquarters Company (minus) of the 39th Infantry Brigade, known as HHC(-) 39th Infantry Brigade, serves as the command and control element for the Arkansas Army National Guard’s 39th Infantry Brigade Combat Team. The brigade traces its lineage to the 39th Infantry Division, which was reorganized as a brigade in 1967. HHC(-) 39th Infantry Brigade has supported both state and federal missions, including deployments during Operation Iraqi Freedom and various disaster response operations within Arkansas. Over the years, the unit has earned recognition for its leadership, coordination, and adaptability in both combat and domestic support roles.