U.S. Army

Headquarters and Headquarters Battery, 2nd Battalion, 28th Field Artillery (HHB 2/28th FA) traces its origins to the activation of the 28th Field Artillery Regiment in 1918 at Camp Funston, Kansas. The 2nd Battalion saw distinguished service during World War II, participating in several major campaigns in the European Theater. During the Cold War, the unit was reactivated and stationed in Germany as part of the U.S. Army’s commitment to NATO, providing critical fire support and readiness. Throughout its history, HHB 2/28th FA has earned numerous commendations for its operational excellence and continues to uphold its proud artillery heritage.

**Headquarters and Headquarters Battery, 3rd Battalion, 5th Air Defense Artillery Regiment (HHB 3/5th ADA)** traces its lineage to the 5th Regiment of Artillery, constituted in 1861 during the American Civil War. Over the decades, the unit evolved through various reorganizations and redesignations, serving in major conflicts including World War II and the Cold War era in air defense roles. In its modern form, 3rd Battalion, 5th ADA has played a critical role in providing air and missile defense for U.S. and allied forces, with deployments in support of Operations Iraqi Freedom and Enduring Freedom. The HHB serves as the battalion's command and control element, ensuring operational readiness and support for subordinate batteries.

**Headquarters and Headquarters Battery, Division Support Command, 3rd Armored Division (HHB, DISCOM, 3rd Armored Division)** served as the essential command and control element for logistical and support operations within the renowned 3rd Armored Division, also known as the "Spearhead Division." Activated during the Cold War, HHB, DISCOM provided critical supply, transportation, maintenance, and medical support to ensure the division’s combat readiness, especially during its deployments in Europe as part of NATO forces. The unit played a vital role during Operation Desert Storm in 1991, supporting the division’s rapid advance into Iraq and contributing to the coalition’s swift victory. Throughout its history, HHB, DISCOM, 3rd Armored Division exemplified the importance of coordinated support in enabling frontline combat effectiveness until the division’s inactivation in 1992.

Headquarters and Headquarters Company (HHC), 1st Battalion, 303rd Armor Regiment, traces its lineage to the Washington Army National Guard. The 303rd Armor was constituted in 1946 and has served in various configurations, including as part of the 81st Stryker Brigade Combat Team. HHC 1/303rd Armor has participated in numerous training exercises and deployments, including overseas service in support of Operation Iraqi Freedom. The unit upholds a legacy of readiness and service, supporting both state and federal missions.

The Headquarters and Headquarters Company (HHC), 152nd Engineer Battalion is a unit of the Indiana Army National Guard with a storied history of service. Originally organized in Indiana, the battalion has provided critical engineering support for both state and federal missions, including combat operations, disaster response, and infrastructure projects. Notably, the 152nd Engineer Battalion was mobilized for Operation Iraqi Freedom, where its soldiers conducted route clearance, construction, and security missions essential to coalition operations. Over the years, HHC 152nd has upheld a tradition of excellence and adaptability, supporting both overseas deployments and vital domestic operations within the United States.

The Headquarters and Headquarters Company, 1st Aviation Brigade (HHC 1st AVN BRD), was originally constituted on March 24, 1966, during the Vietnam War to provide command and control for Army aviation units. Activated in Vietnam, the brigade played a crucial role in coordinating air mobility, reconnaissance, and support operations throughout the conflict. After Vietnam, the 1st Aviation Brigade was relocated to Fort Rucker, Alabama, where it became central to Army aviation training and doctrine development. Today, HHC 1st AVN BRD continues to support the brigade's mission, ensuring operational readiness and leadership for Army aviation forces worldwide.

Headquarters and Headquarters Company (HHC), 1st Brigade, 3rd Infantry Division, traces its lineage to the storied 3rd Infantry Division, activated in 1917. Throughout its history, the brigade has played key roles in major conflicts, including World War II, where it participated in the North African and European campaigns. During Operation Iraqi Freedom, HHC, 1st Brigade led the division’s historic "Thunder Run" into Baghdad in 2003, showcasing rapid maneuver warfare. The brigade continues to serve as a vital element of the 3rd Infantry Division, upholding a legacy of excellence and readiness in defense of the nation.

Headquarters and Headquarters Company, 2nd Battalion, 35th Infantry Regiment (HHC 2/35th Infantry) traces its lineage to the formation of the 35th Infantry Regiment in 1916. The battalion distinguished itself in World War II, fighting in campaigns across the Pacific, including Guadalcanal and Luzon. Reactivated during the Vietnam War, the 2/35th earned commendations for its actions in the Central Highlands. Today, HHC 2/35th Infantry remains an integral part of the 25th Infantry Division, upholding its proud legacy of service and readiness.

The Headquarters and Headquarters Company, 20th Engineer Battalion (HHC 20th EN BN), was first constituted in the Regular Army in 1917 and organized at Camp Sevier, South Carolina, as part of the American Expeditionary Forces in World War I. The battalion has served with distinction in major conflicts, including World War II—where it participated in campaigns across the European Theater—and the Vietnam War, performing a variety of combat engineer missions. Over the years, HHC 20th Engineer Battalion has supported operations such as Desert Storm, Operation Iraqi Freedom, and Operation Enduring Freedom, providing vital mobility, counter-mobility, and survivability support to maneuver forces. Today, the unit continues its proud tradition of service at Fort Cavazos (formerly Fort Hood), Texas, as part of the U.S. Army's engineer regiment.

The Headquarters and Headquarters Company (HHC), 240th Quartermaster Battalion, has a distinguished history supporting U.S. Army logistics operations. Established to provide command and control for subordinate Quartermaster units, the battalion specializes in petroleum supply and distribution, ensuring critical fuel support for combat and training missions. Over the years, HHC 240th has deployed in support of major operations, including conflicts in the Middle East, where its expertise in sustainment and logistics proved vital to mission success. The unit continues to uphold the Quartermaster Corps’ legacy of excellence, adaptability, and service to the nation.

The Headquarters and Headquarters Company (HHC), 24th Transportation Battalion has a distinguished history within the U.S. Army’s logistics and transportation operations. Originally constituted during the buildup of U.S. military logistical capabilities, the battalion has provided vital command, control, and support for subordinate transportation companies across various theaters of operation. Over the years, HHC 24th Transportation Battalion has supported major deployments and exercises, ensuring the movement of personnel, equipment, and supplies in both peacetime and combat environments. The unit continues to play a key role in sustaining operational readiness and mobility for Army forces worldwide.

**HHC 2X Military Unit History:** Headquarters and Headquarters Company, 2X (HHC 2X), was established to provide command, control, and administrative support to its parent battalion. Since its formation, HHC 2X has played a pivotal role in coordinating operations, managing logistics, and ensuring mission readiness across a variety of training and deployment environments. The unit has supported both domestic and overseas missions, demonstrating adaptability and professionalism in every assignment. Through its dedicated leadership and cohesive structure, HHC 2X continues to uphold a tradition of excellence and service within the military community.

Headquarters and Headquarters Company, 3rd Battalion, 3rd Infantry Regiment (HHC 3/3 Infantry), traces its lineage to the historic 3rd Infantry Regiment, known as "The Old Guard," which was first constituted in 1784. Over the centuries, the 3rd Battalion and its HHC have served in numerous conflicts, including the Civil War, World Wars I and II, and more recent operations. As part of The Old Guard, HHC 3/3 Infantry has played a vital role in ceremonial duties in the National Capital Region, honor funerals at Arlington National Cemetery, and security missions. Today, the unit continues its dual mission of ceremonial excellence and readiness to respond to defense requirements.

The Headquarters and Headquarters Company, 4th Battalion, 87th Infantry Regiment (HHC 4/87th Inf) has served as a key command element within the 87th Infantry lineage. Activated during the mid-1980s as part of the 10th Mountain Division (Light Infantry) at Fort Drum, New York, the unit played a vital role in battalion-level operations and training exercises. Throughout its service, HHC 4/87th Infantry provided leadership, planning, and logistical support to its subordinate companies, including deployments for peacekeeping and combat missions. The battalion was inactivated in the mid-1990s during post-Cold War force reductions, but its legacy endures as part of the proud history of the 87th Infantry Regiment.

Headquarters and Headquarters Company (HHC), 42nd Infantry Division, known as the “Rainbow Division,” traces its origins to World War I, when it was formed in 1917 from National Guard units across the United States. HHC provided essential command, control, and administrative support to the division during major engagements in both World Wars, including the Meuse-Argonne Offensive and the liberation of Dachau concentration camp. After periods of inactivation, the unit was reactivated and has since participated in domestic support missions and overseas deployments, including Operation Iraqi Freedom. Today, HHC 42nd Infantry Division remains a vital element of the New York Army National Guard, continuing its legacy of leadership and service.

Headquarters and Headquarters Company, 64th Support Battalion (HHC 64th SPT Bn) traces its origins to the activation of the 64th Quartermaster Battalion in 1942, supporting operations in World War II. Over the decades, the battalion underwent several reorganizations, ultimately becoming the 64th Support Battalion to provide comprehensive logistical and maintenance support. HHC 64th SPT Bn played crucial roles during the Vietnam War and later in Operation Iraqi Freedom, ensuring sustained supply and support to combat units. The unit is recognized for its adaptability, professionalism, and dedication to mission success across multiple conflicts.

The Headquarters and Headquarters Company (HHC), 80th Division (Training), traces its lineage to the 80th Division, which was constituted in the National Army in August 1917 for service in World War I. The division distinguished itself in major campaigns such as the Meuse-Argonne Offensive. Reactivated for World War II, the 80th fought in the European Theater, including the Battle of the Bulge. In the postwar era, the division was reorganized as the 80th Division (Training), with HHC serving as its command and control element, responsible for overseeing training operations for Army Reserve soldiers.

The Headquarters and Headquarters Company, Division Support Command, 2nd Armored Division (HHC DISCOM 2AD) was a key logistics and support unit of the famed 2nd Armored Division, also known as "Hell on Wheels." Activated during the Cold War era, HHC DISCOM 2AD was responsible for coordinating supply, maintenance, medical, and transportation services to ensure the division’s combat readiness. The unit played a vital role during major training exercises in Europe and supported operations such as Desert Storm, providing essential sustainment to front-line elements. Following the post-Cold War drawdown, HHC DISCOM 2AD was inactivated along with the 2nd Armored Division in 1995 at Fort Hood, Texas.

Headquarters and Headquarters Company (HHC), 260th Quartermaster Battalion, stationed at Fort Lee, Virginia, has a distinguished history supporting the United States Army’s logistics and supply operations. Constituted during World War II, the 260th Quartermaster Battalion has provided critical petroleum, water, and supply support in numerous conflicts and operations. Over the decades, the unit has participated in major campaigns, including Operations Desert Storm, Iraqi Freedom, and Enduring Freedom, ensuring frontline troops receive essential sustainment. As part of the Quartermaster Corps at Fort Lee, HHC, 260th QM Bn continues to train and support soldiers in the Army’s vital logistics mission.

The Headquarters and Headquarters Detachment (HHD), 189th Maintenance Battalion was originally constituted on 18 October 1945 in the Army of the United States and activated in the Philippines. Over its history, the battalion has provided vital maintenance and logistical support to U.S. Army operations, ensuring the readiness and sustainment of combat forces. The 189th has served in various locations, supporting missions during peacetime and conflict, including deployments to the Middle East. Today, HHD, 189th Maintenance Battalion continues its legacy of excellence, supporting Army operations with expert maintenance and logistical services.

Headquarters and Headquarters Detachment (HHD), 504th Signal Battalion has a distinguished history of providing communications support to the U.S. Army. Constituted during World War II, the battalion played a key role in establishing vital communications networks across the European Theater. Over the decades, the 504th Signal Battalion has supported major operations, including deployments during the Cold War, Operation Desert Storm, and Operation Iraqi Freedom. The unit specializes in tactical and strategic communications, ensuring command and control capabilities for supported forces in various operational environments.

Headquarters and Headquarters Troop (HHT), 2nd Squadron, 17th Air Cavalry (2/17th Air Cavalry) traces its lineage to the storied 17th Cavalry Regiment, which was first constituted in 1916. Reactivated and reorganized as an air cavalry squadron during the Vietnam War, the 2/17th played a vital role in aerial reconnaissance, security, and support missions, earning numerous commendations for valor and effectiveness in combat. Following Vietnam, the unit continued to evolve with advancements in rotary-wing aviation, serving within the 101st Airborne Division (Air Assault) as a key aviation reconnaissance element. Today, HHT 2/17th Air Cavalry remains an essential component, providing command, control, and logistical support for the squadron's modern air cavalry operations.

Headquarters, Central Army Group (HQ CENTAG) was a key NATO command established during the early years of the Cold War. Formed in 1952, CENTAG was responsible for the defense of southern West Germany, covering a critical sector of the Central European front against potential Warsaw Pact aggression. Headquartered initially in Bad Cannstatt and later in Heidelberg, Germany, CENTAG directed multinational forces, including American, German, French, and Belgian troops. The command remained operational throughout the Cold War until 1993, when it was deactivated as part of the post-Cold War restructuring of NATO forces.

Headquarters Company, 3rd Battalion, 37th Armor Regiment, was a vital command and control element within the 4th Armored Division (4AD) of the United States Army. The 37th Armor Regiment traces its origins to World War II, where it played a significant role in the European Theater, notably participating in the breakout from Normandy and the Battle of the Bulge. Hq Co. 3-37 Armor provided essential leadership, logistics, and coordination for the battalion’s armored operations during both training and combat deployments. Throughout the Cold War, the unit was stationed in Germany as part of NATO’s forward defense, maintaining readiness to deter Soviet aggression.