U.S. Army

Headquarters and Headquarters Company (HHC), 14th Combat Aviation Battalion (CAB), was a key aviation support unit within the Americal Division (23rd Infantry Division) during the Vietnam War. Activated in the 1960s, the 14th CAB provided command, control, and logistical support for a variety of helicopter units, including assault, reconnaissance, and medical evacuation missions. Its personnel and aircraft played a crucial role in supporting ground operations throughout I Corps Tactical Zone, particularly in areas like Chu Lai and Da Nang. The 14th CAB’s contributions significantly enhanced the mobility and effectiveness of the Americal Division until the unit’s redeployment and eventual inactivation following the drawdown of U.S. forces in Vietnam.

**HHC 166th Military History:** Headquarters and Headquarters Company, 166th (HHC 166th), has served as the command and control element for the 166th Regiment, providing essential leadership, administrative, and logistical support. Originally constituted during the mid-20th century, the unit has supported a variety of missions both stateside and overseas, adapting to changing operational requirements. Throughout its history, HHC 166th has played crucial roles in training, mobilization, and deployment operations, ensuring the readiness and effectiveness of subordinate units. The company upholds a proud tradition of service and dedication to both national defense and community support missions.

The Headquarters and Headquarters Company (HHC), 1st Brigade, known as "Brocos," is a key command unit within the 25th Infantry Division, historically stationed at Fort Lewis, Washington. The 1st Brigade has a distinguished legacy dating back to World War II, where the 25th Infantry Division earned the nickname “Tropic Lightning” for its combat prowess in the Pacific Theater. Over the decades, HHC 1st Brigade has provided essential command, control, and support to subordinate battalions during major operations, including Vietnam, Iraq, and Afghanistan. At Fort Lewis, the brigade played a pivotal role in training, readiness, and rapid deployment, embodying the division’s motto, “Ready to Strike, Ready to Win.”

Headquarters and Headquarters Company, 1st Battalion, 110th Infantry Regiment (HHC 1-110 IN), is a unit with a proud lineage within the Pennsylvania Army National Guard. The 110th Infantry traces its origins to the Civil War, serving with distinction in numerous campaigns and later reorganizing through World War I and World War II, where it participated in major operations in Europe. Throughout the 20th and 21st centuries, the battalion and its headquarters element have supported both federal mobilizations and state emergency missions. Today, HHC 1-110 IN continues its tradition of service, providing command and control for battalion operations and supporting both domestic and overseas missions.

Headquarters and Headquarters Company, 1st Battalion, 18th Infantry Regiment, 1st Infantry Division (HHC 1-18 IN, 1ID), traces its lineage back to the unit’s original constitution in 1812. The 18th Infantry Regiment has seen distinguished service in major conflicts, including the Civil War, both World Wars, Vietnam, Operation Desert Storm, and the Global War on Terrorism. As part of the legendary “Big Red One,” the battalion has played critical roles in key operations such as the D-Day landings at Normandy and the liberation of Iraq. Today, HHC 1-18 IN continues to lead and support its battalion in maintaining combat readiness and supporting operations worldwide.

The Headquarters and Headquarters Company, 1st Supply and Transportation Division (HHC 1st S&T Div) was originally constituted to provide command, control, and administrative support for the division’s logistical operations. Activated during the Cold War era, the unit played a crucial role in coordinating supply, maintenance, and transportation assets to sustain combat readiness. Throughout its history, HHC 1st S&T Div participated in numerous field exercises and deployments, ensuring the timely delivery of materiel and support to frontline units. Its legacy is marked by dedication to logistical excellence and adaptability in support of diverse military missions.

The Headquarters and Headquarters Company, 1st Battalion, 149th Armor (HHC 1-149 AR), is a unit within the California Army National Guard with a history rooted in armored and mechanized warfare. Originally constituted as part of the 149th Armor Regiment, the battalion has provided command and control, logistical, and administrative support for its subordinate armor companies. Over the years, HHC 1-149 AR has participated in numerous training exercises and domestic support operations, honing its operational readiness and supporting both state and federal missions. The unit has also contributed personnel to overseas deployments, reflecting its ongoing commitment to national defense and homeland security.

The Headquarters and Headquarters Company (HHC), 1st Brigade, 1st Cavalry Division Aviation Platoon has a proud legacy within the U.S. Army. Activated during the Vietnam War, the platoon provided critical aerial reconnaissance, command and control, and troop transport for brigade operations. Over the decades, it adapted to new aircraft and technologies, supporting missions in Operation Desert Storm, Operation Iraqi Freedom, and Operation Enduring Freedom. Renowned for its flexibility and professionalism, the platoon continues to play a vital role in delivering aviation support to the 1st Brigade, ensuring mission success in peacetime and combat operations.

HHC, 2nd Battalion, 52nd Aviation Regiment, is a Headquarters and Headquarters Company that provides command and control, administrative, and logistical support for the battalion's aviation operations. The 52nd Aviation Regiment traces its lineage to World War II and has served in a variety of roles, including combat and support missions in conflicts such as the Vietnam War, Operation Iraqi Freedom, and Operation Enduring Freedom in Afghanistan. The 2nd Battalion, known for operating utility and cargo helicopters, has played a crucial role in air assault, medical evacuation, and transport missions. HHC ensures the readiness and coordination of subordinate companies, enabling the battalion to execute complex aviation missions in support of U.S. Army objectives worldwide.

The HHC 205th Transportation is a headquarters and headquarters company that has played a vital role in providing command and control for the 205th Transportation Battalion. Historically, the unit has been responsible for overseeing and coordinating transportation operations, including the movement of troops, equipment, and supplies, both in the continental United States and during overseas deployments. The 205th has supported various missions, including humanitarian efforts, training exercises, and combat operations, contributing to logistical readiness and operational success. Over the years, the professionalism and dedication of HHC 205th Transportation have earned it recognition as a key component in sustaining Army mobility and mission effectiveness.

The Headquarters and Headquarters Company, 264th Supply and Service Battalion (HHC 264 SUP & SVC BN), was first constituted on 23 March 1966 in the Regular Army and activated on 1 June 1966 at Fort Hood, Texas. The battalion played a pivotal role in providing logistical, supply, and service support to U.S. Army units, most notably during its deployment to Vietnam, where it earned campaign participation credit for multiple major operations. After Vietnam, the 264th continued to support Army missions, adapting to evolving logistical requirements and sustaining a reputation for excellence in support operations. Over the years, the battalion underwent several inactivations and reactivations, reflecting the changing needs of the U.S. Army's force structure.

The Headquarters and Headquarters Company, 29th General Support Group (HHC, 29th GEN SUPPORT GRP) was constituted in the United States Army during the Vietnam War era, providing vital logistical and administrative support to combat and support units. Activated in 1966, the group was stationed primarily in South Vietnam, where it managed supply, transportation, and maintenance operations crucial to sustaining U.S. and allied forces. HHC, 29th GEN SUPPORT GRP coordinated a wide range of services, from vehicle repair to ammunition distribution, ensuring operational readiness across its area of responsibility. The unit was inactivated following the drawdown of U.S. forces, with its legacy carried on through the soldiers and support systems it strengthened during conflict.

Headquarters and Headquarters Company, 2nd Brigade, 1st Cavalry Division (HHC 2BDE 1CD), has a distinguished history dating back to the division’s activation in 1921. The 2nd Brigade has participated in major conflicts, including World War II, the Vietnam War, Operation Desert Storm, Operation Iraqi Freedom, and Operation Enduring Freedom. As the command and control element, HHC coordinates brigade operations, logistics, and administration, ensuring mission success. Over the decades, the unit has earned numerous campaign streamers and commendations for its exemplary service and dedication.

Headquarters and Headquarters Company (HHC), 2nd Brigade, 1st Armored Division (1st AD), has a distinguished history within the U.S. Army. The 2nd Brigade, known as the "Iron Brigade," was activated in 1942 and saw extensive combat during World War II in North Africa, Italy, and Germany. Over the decades, HHC 2nd Brigade has provided command and control for brigade operations during major conflicts, including Operation Desert Storm and multiple deployments in support of Operation Iraqi Freedom and Operation Enduring Freedom. Today, HHC 2nd Brigade continues to support the 1st Armored Division with leadership, planning, and logistical expertise, maintaining a legacy of excellence and adaptability.

Headquarters and Headquarters Company (HHC), 3rd Battalion, 15th Infantry Regiment, U.S. Army, traces its lineage back to the storied 15th Infantry Regiment, originally constituted in 1861. The 3/15th Infantry has participated in major conflicts including World War II, the Korean War, and Operation Iraqi Freedom, earning numerous campaign streamers and unit citations. As the battalion's command and support element, HHC has provided leadership, planning, and logistical coordination throughout these operations. Today, HHC 3/15th Infantry remains an integral part of the 3rd Infantry Division, upholding a proud tradition of service and excellence.

Headquarters and Headquarters Company (HHC), 3rd Battalion, 15th Infantry Regiment, is a storied unit of the U.S. Army with roots tracing back to World War I. The 3/15th Infantry became mechanized during the Cold War, enhancing its mobility and combat effectiveness, and was later assigned to the 24th Infantry Division. Throughout its service, HHC 3/15th has been deployed in major conflicts, including Operation Desert Storm, where it played a key role in the liberation of Kuwait. In the 21st century, the unit has participated in operations in Iraq and continues to support U.S. Army missions as part of the 3rd Infantry Division at Fort Stewart, Georgia.

Headquarters and Headquarters Company (HHC), 3rd Battalion, 37th Armor Regiment, was a key element of the U.S. Army’s 1st Infantry Division. Activated during the Cold War, the battalion was originally stationed in Germany as part of NATO’s forward-deployed forces, maintaining readiness to deter Soviet aggression. HHC 3-37 Armor played a significant combat role during Operation Desert Storm in 1991, leading armored advances into Iraq and helping to liberate Kuwait. In the post-Cold War era, the unit participated in peacekeeping and training missions before eventually being inactivated as part of Army force restructuring.

HHC 3/47th Infantry was the Headquarters and Headquarters Company of the 3rd Battalion, 47th Infantry Regiment, a unit with distinguished service in the U.S. Army. Activated during World War II, the 47th Infantry Regiment participated in major campaigns in Europe, including Normandy and the Rhineland. In the Vietnam War, the 3/47th Infantry was assigned to the 9th Infantry Division and operated in the challenging environments of the Mekong Delta, conducting riverine and counterinsurgency operations. The battalion, with HHC providing essential command and support functions, earned multiple commendations for its bravery and effectiveness in combat.

**HHC, 3rd Battalion, 8th Infantry Regiment (3/8 IN), 4th Infantry Division** The Headquarters and Headquarters Company (HHC), 3rd Battalion, 8th Infantry Regiment, traces its lineage to the historic “Fighting Eagles” of the 8th Infantry Regiment, which was constituted in 1838. The battalion has served with distinction in major conflicts, including World War II, where it earned honors in campaigns across Europe, and the Vietnam War, participating in several significant operations. As part of the 4th Infantry Division, HHC 3-8 IN played key roles in Operation Iraqi Freedom and Operation Enduring Freedom in Afghanistan. Today, it continues to support and lead the battalion’s operations, upholding a legacy of valor and service.

Headquarters and Headquarters Company, 30th Brigade Special Troops Battalion (HHC, 30th BSTB) was a key command and support element within the 30th Heavy Brigade Combat Team (30th HBCT), North Carolina Army National Guard. Established in the mid-2000s as part of the Army’s modular force restructuring, the 30th BSTB provided essential intelligence, signal, engineering, and security functions for the brigade. HHC coordinated the battalion’s diverse missions, both in training at home station and during overseas deployments, including service in Operation Iraqi Freedom. The unit exemplified adaptability and cohesion, supporting brigade operations with specialized skills and leadership throughout its history.

The Headquarters and Headquarters Company, 324th Military Police Battalion (HHC, 324th MP BN) was first constituted on 15 June 1942 in the Army of the United States and activated at Camp Livingston, Louisiana. During World War II, the battalion provided crucial military police operations in the European Theater, supporting Allied advances across France and Germany. After the war, the 324th MP BN was inactivated in November 1945 but was later reactivated in the Army Reserve. Throughout its history, the unit has participated in numerous training exercises and deployments, supporting both overseas and domestic missions in support of military law enforcement and security operations.

The Headquarters and Headquarters Company, 380th Engineer Group (HHC 380 ENGR GP), is a U.S. Army Reserve unit with a distinguished record of service. Originally constituted during World War II, the unit has supported a wide range of engineering operations, from constructing critical infrastructure to providing combat engineering support. Throughout its history, the 380th Engineer Group has participated in numerous training exercises and deployments, both domestically and overseas, supporting missions in Europe, the Middle East, and beyond. The unit continues to play a vital role in providing command and control for subordinate engineer units, ensuring mission success wherever they are called to serve.

Headquarters and Headquarters Company (HHC), 3rd Battalion, 64th Armor Regiment, has a distinguished history as part of the U.S. Army’s armored forces. The 64th Armor Regiment traces its lineage to World War II, participating in campaigns across Europe as a vital element of armored warfare. The 3rd Battalion and its HHC have served in various operations, including deployments in Operation Desert Storm, Operation Iraqi Freedom, and Operation Enduring Freedom. Known for its professionalism and combat readiness, HHC 3-64 AR continues to support the brigade’s mission with command, control, and logistical expertise.

Headquarters and Headquarters Company (HHC), 3rd Battalion, 17th Infantry Regiment traces its lineage to the historic 17th Infantry, originally constituted in 1812. The battalion has seen action in numerous major conflicts, including the Civil War, Philippine Insurrection, World Wars I and II, and the Korean War, where it earned distinction for its valor. Throughout its history, HHC 3-17 Infantry has provided critical command, control, and support functions for its subordinate companies. The unit continues to uphold its proud traditions, adapting to modern challenges while honoring its legacy of service and sacrifice.