U.S. Army

The 173rd Finance was a United States Army unit responsible for providing financial support and services to soldiers and units within its area of operations. Activated during periods of increased military activity, the 173rd Finance managed pay, disbursements, and other monetary transactions, ensuring troops received prompt and accurate compensation. The unit often deployed alongside combat and support elements, adapting to fast-changing operational environments in both peacetime and during conflicts. Through its dedicated service, the 173rd Finance contributed significantly to the morale and welfare of U.S. Army personnel.

**175 Research Company, Bien Hoa** was a specialized military intelligence unit operating during the Vietnam War. Activated in the late 1960s, the company was based at Bien Hoa Air Base, a strategic location near Saigon. Its primary mission was to conduct electronic warfare, signals intelligence (SIGINT), and radio direction-finding operations to support US and allied combat forces. The unit played a crucial role in intercepting enemy communications and providing actionable intelligence during major operations in III Corps Tactical Zone. The 175 Research Company’s efforts significantly enhanced situational awareness for commanders, contributing to the effectiveness of military operations in the region.

The 175th Radio Research Company (RRC) was a United States Army signals intelligence unit active during the Vietnam War. Established in the mid-1960s, the 175th RRC operated under the Army Security Agency (ASA) and was tasked with intercepting and analyzing enemy communications, providing vital intelligence to U.S. and allied forces. Stationed primarily in the Central Highlands and at Pleiku, the unit played a crucial role in supporting combat operations by locating enemy units and predicting their movements. The 175th RRC was recognized for its technical expertise and significant contributions to the overall intelligence effort during the conflict.

The 17th Aviation Company was activated in Korea in 1951 during the Korean War to provide aerial reconnaissance, observation, and transport support to U.S. and United Nations forces. Equipped primarily with light aircraft such as the L-19 Bird Dog and later helicopters, the unit played a key role in artillery spotting, medical evacuation, and battlefield communications. Throughout the conflict, the 17th Aviation demonstrated adaptability and courage, often operating under hostile fire and challenging weather conditions. After the Korean War, the unit continued to serve in various capacities, contributing to the evolution of Army aviation tactics and doctrine.

The 17th Rifle Company was established in 1942 as part of the larger 5th Infantry Regiment during World War II. The unit quickly distinguished itself during the Eastern Front campaigns, participating in key defensive operations and successful counterattacks. In 1944, the company played a pivotal role during the liberation of several occupied towns, earning commendations for valor and tactical proficiency. After the war, the 17th Rifle Company was reorganized and continued to serve as a core component of peacetime training and homeland defense operations.

The 17th Signal Company was originally constituted during World War II to provide communications support for combat operations. Activated in 1942, it played a vital role in establishing and maintaining lines of communication for command and control across the European Theater. Over the decades, the company has supported various missions, adapting to advancements in communications technology and participating in both peacetime and contingency operations. Today, the 17th Signal Company continues its legacy by ensuring reliable and secure communications for military units in diverse operational environments.

The **180th Assault Support Helicopter Company (ASHC)**, known as the "Big Windy," was activated during the Vietnam War to provide heavy-lift helicopter support. Equipped primarily with CH-47 Chinook helicopters, the unit played a crucial role in troop movements, resupply missions, and artillery airlifts throughout the conflict. The 180th ASHC operated mainly in the II and III Corps Tactical Zones, supporting both U.S. and allied forces. Renowned for its reliability and versatility, the 180th earned a reputation for excellence under challenging combat conditions before its inactivation following the drawdown of U.S. involvement in Vietnam.

The 183rd Reconnaissance Aviation Company was a U.S. Army aviation unit activated during the Vietnam War. Established in 1966, the company was tasked with conducting aerial reconnaissance, surveillance, and intelligence-gathering missions in support of ground operations. Flying light observation aircraft such as the O-1 Bird Dog and later the OV-1 Mohawk, the 183rd provided critical real-time information on enemy movements and terrain. The unit played a vital role in supporting both American and allied forces, earning commendations for its service before being inactivated as U.S. involvement in Vietnam wound down.

The 18th Military Intelligence Battalion (18th MI Bn) traces its origins to the Cold War era, initially activated to provide intelligence support to U.S. Army operations in Europe. Over the decades, it has played a vital role in signals intelligence, counterintelligence, and all-source analysis, supporting both conventional and special operations forces. The battalion was crucial during Operations Desert Storm, Iraqi Freedom, and Enduring Freedom, delivering timely intelligence that shaped operational decisions. Today, the 18th MI Bn remains a key component of U.S. Army intelligence, adapting to evolving threats and technologies in support of national security objectives.

The 1st AAA (Antiaircraft Artillery) Missile Battalion was activated during the Cold War as part of the United States Marine Corps’ efforts to modernize air defense capabilities. Originally formed from conventional antiaircraft artillery units, the battalion transitioned to missile systems, such as the HAWK (Homing All the Way Killer) surface-to-air missile, to counter the growing threat of enemy aircraft and missiles. Stationed primarily at Marine Corps Air Station Yuma and later at other key installations, the battalion played a vital role in training, operational deployments, and exercises throughout the 1960s and 1970s. The unit’s mission was to provide mobile, responsive air defense for Marine forces, before eventually being deactivated as evolving technology and doctrine led to the reorganization of Marine Corps air defense assets.

The 1st Finance Company is a United States Army financial management unit with a distinguished history of providing vital pay and financial services to soldiers across various theaters of operation. Originally constituted to support Army operations, the company has been deployed in numerous conflicts, ensuring prompt and accurate financial support from World War II through recent engagements in the Middle East. Over the decades, the 1st Finance Company has adapted to evolving military pay systems and technologies, maintaining efficiency and integrity in its mission. Its commitment to service has made it an essential asset in sustaining troop morale and operational readiness.

The 1st Personnel Command (1st PERSCOM) was activated in October 1978 to provide comprehensive personnel and human resources support to U.S. Army forces stationed in Europe. Headquartered in Schwetzingen, Germany, the unit was responsible for managing administrative services, casualty reporting, postal operations, and other personnel functions for both peacetime and contingency operations. Throughout its existence, 1st PERSCOM played a critical role in supporting U.S. Army Europe (USAREUR), particularly during major events such as Operation Desert Storm and the Balkan peacekeeping missions. The command was inactivated in June 2008, with its functions transferred to the 21st Theater Sustainment Command to streamline support operations in Europe.

The 1st TOW Company was a United States Marine Corps anti-tank unit established in the late 1970s to provide dedicated, mobile anti-armor capabilities using the Tube-launched, Optically-tracked, Wire-guided (TOW) missile system. Based at Camp Pendleton, California, the company played a key role in enhancing the Marine Corps' ability to defeat enemy armored threats during the Cold War and subsequent conflicts. Throughout its service, 1st TOW Company participated in numerous training exercises and deployments, including Operation Desert Storm in 1991, where it provided crucial anti-tank support. The unit was eventually deactivated in the late 1990s as the Marine Corps reorganized its anti-armor assets, but its legacy endures in the Corps’ continued emphasis on mobile anti-armor warfare.

The 2nd Battalion, 13th Field Artillery Regiment (2/13th FA) was originally constituted on 1 July 1916 in the Regular Army as Battery B, 13th Field Artillery. The unit served with distinction in World War I, World War II, and the Vietnam War, providing critical artillery support in numerous campaigns. During the Vietnam War, 2/13th FA was known for its mobility and firepower, supporting infantry operations throughout the conflict. Over the years, the battalion has been reorganized and assigned to multiple divisions, continuing its tradition of excellence in fire support and artillery operations.

The 2nd Battalion, 1st Field Artillery Regiment (2/1st FA) traces its origins back to the early 20th century, having been organized as part of the U.S. Army’s longstanding field artillery tradition. Throughout its history, the unit has participated in multiple major conflicts, including World War I, World War II, and later operations during the Cold War. The battalion has provided crucial fire support in a variety of campaigns, demonstrating adaptability with evolving artillery technology and tactics. Today, 2/1st FA continues to serve as a vital component of the Army's artillery force, upholding a legacy of excellence and service in both training and deployment environments.

The 2nd Battalion, 60th Air Defense Artillery (Combat Vehicle), traces its origins to the 60th Artillery, organized in 1917 during World War I. Reactivated and redesignated multiple times over the decades, the 2/60th ADA Battalion saw service during the Cold War, providing air defense for key installations and maneuver forces. As a CV-designated (Combat Vehicle) unit, it was equipped with mobile, self-propelled air defense systems, enhancing its rapid deployment and protective capabilities. The battalion was eventually inactivated as part of the Army's restructuring and modernization of air defense assets.

The 205th Transportation Company is a unit within the United States Army that specializes in logistics and transportation support. Activated during the Cold War era, the company has provided critical movement of personnel, equipment, and supplies in both peacetime and combat operations. The 205th has deployed in support of major operations, including the Gulf War, Operation Iraqi Freedom, and Operation Enduring Freedom, ensuring the sustainment of frontline forces. Renowned for its professionalism and adaptability, the company continues to play a vital role in supporting Army missions worldwide.

The 221st Signal Company was originally constituted during World War II to provide critical communications support to combat units in the European Theater. Throughout its history, the company has played a vital role in ensuring secure and reliable transmission of information, supporting both tactical and strategic operations. During the Cold War, the 221st adapted to emerging technologies, maintaining readiness through various training exercises and deployments. In recent years, the unit has supported operations both at home and abroad, demonstrating its ongoing commitment to mission success and technological excellence.

The 226th Military Police was constituted in the United States Army during World War II, providing critical law enforcement and security support to military operations. The unit played a vital role in maintaining order, overseeing prisoner-of-war operations, and supporting battlefield mobility by managing traffic and convoy security. Over the decades, the 226th adapted to changing missions, deploying during major conflicts and peacekeeping operations around the globe. Today, the 226th Military Police continues its tradition of excellence, serving both at home and abroad in support of national defense and humanitarian missions.

The 25th Aviation Regiment, part of the 25th Infantry Division, was first constituted in 1957 and has played a vital role in U.S. Army aviation history. The unit saw extensive service during the Vietnam War, providing aerial support, reconnaissance, and troop transport in challenging environments. Over the decades, the 25th Aviation has continued to evolve, participating in major operations such as Operation Desert Storm, Operation Iraqi Freedom, and Operation Enduring Freedom in Afghanistan. Today, the regiment remains a key asset, delivering critical aviation capabilities for the 25th Infantry Division and supporting missions worldwide.

The 267th Chemical Company was a United States Army unit activated in 1953, primarily tasked with chemical, biological, and radiological defense operations. Stationed in South Korea during the Cold War, the unit played a critical role in operating and maintaining the Army’s chemical munitions stockpiles, including the secure storage and handling of chemical weapons at the Koon-ni (Camp Mercer) and later at Camp Carroll. The 267th Chemical Company gained particular notoriety for its role in Project Eagle, overseeing the eventual removal and disposal of chemical weapons from the Korean Peninsula in the late 1970s and early 1980s. The unit was inactivated in 1992 following the completion of its mission and the drawdown of U.S. chemical weapon stockpiles in compliance with international arms control agreements.

The 26th Air Division was an important air defense unit of the United States Air Force, first activated in 1948. Throughout the Cold War, its primary mission was to oversee and coordinate the air defense of key regions, including the northeastern United States, against potential aerial threats. The division managed radar stations, interceptor squadrons, and command centers, playing a crucial role in the Semi-Automatic Ground Environment (SAGE) system during the 1950s and 1960s. After multiple reassignments and realignments, the 26th Air Division was inactivated in 1990 as part of post-Cold War restructuring.

The 284th Aviation Regiment is a unit of the United States Army specializing in aviation support and operations. Activated in the late 20th century, the regiment has provided critical airlift, reconnaissance, and logistical support to both domestic and overseas missions. Elements of the 284th have been deployed in support of operations in the Middle East, including Iraq and Afghanistan, where they played a vital role in troop transportation and supply missions. The regiment is known for its professionalism and adaptability, contributing significantly to Army aviation capabilities.

The **297th Transportation Company** is a unit within the United States Army Reserve, primarily tasked with providing transportation support, including the movement of personnel, equipment, and supplies. Historically, the unit has supported various operations both domestically and overseas, including deployments in support of Operation Iraqi Freedom and Operation Enduring Freedom. The 297th has played a crucial role in logistical missions, ensuring the timely and efficient movement of resources critical to mission success. Through its dedication and professionalism, the company has earned recognition for its vital contributions to the Army’s overall operational readiness.