U.S. Army

The United States Military Academy Corps of Cadets, established in 1802 at West Point, New York, serves as the student body of the U.S. Military Academy. Known as “The Long Gray Line,” the Corps has produced generations of Army officers, many of whom have played pivotal roles in America’s military history, including the Civil War, World Wars, and modern conflicts. Throughout its history, the Corps of Cadets has upheld strict traditions of discipline, honor, and leadership development. Graduates of the Corps have included prominent leaders such as Ulysses S. Grant, Dwight D. Eisenhower, and Douglas MacArthur, helping shape the course of the nation’s defense and military leadership.

The USA Engineer Center FB-D, stationed at Fort Belvoir, Virginia, has long served as a cornerstone of military engineering training and doctrine within the United States Army. Established to centralize and advance the Army’s engineering capabilities, the unit has provided specialized instruction and resources in construction, combat engineering, and geospatial support. Throughout its history, the center has supported both domestic and overseas operations, contributing to infrastructure development and rapid deployment during major conflicts. Its enduring legacy is reflected in the thousands of Army engineers it has prepared for service in peace and war.

**USA Info Systems Company, USARJ-P3** is a specialized military unit operating under the United States Army Japan (USARJ) command structure, likely tasked with providing critical information technology and communications support. Established as part of USARJ's ongoing modernization and operational enhancement efforts, the unit plays a pivotal role in ensuring secure and reliable information systems across joint and multinational operations in the Indo-Pacific region. Over the years, USA Info Systems Co has supported large-scale exercises, cyber defense initiatives, and daily command and control functions, directly contributing to mission readiness and interoperability. Its expertise in network management and cyber security continues to bolster the Army's capabilities in a rapidly evolving digital battlespace.

The United States Army Correctional Activity (USACA) at Fort Riley, Kansas, operates as a key component within the U.S. Army’s Military Police Corps. Established to provide command and control over military correctional facilities, USACA Fort Riley has played a vital role in managing military justice and corrections since its activation. The unit’s highly trained Military Police personnel are responsible for the safe custody, care, and rehabilitation of military prisoners, supporting the Army’s mission of discipline and order. Over the years, USACA Fort Riley has contributed significantly to the Army’s corrections system, ensuring compliance with Department of Defense standards and promoting the reintegration of service members when possible.

The United States Army Communications Command - Japan (USACC-J), headquartered at Fort Buckner, Okinawa, played a vital role in managing and operating military communications for U.S. Army forces in the Pacific region. Established during the Cold War era, USACC-J provided secure and reliable communications support for joint and combined operations, particularly during periods of heightened regional tension. As a subordinate of the U.S. Army Communications Command, the unit oversaw signal operations, maintenance, and technology integration across Okinawa and mainland Japan. Over time, USACC-J’s mission evolved with advances in communications technology, contributing significantly to U.S. military readiness and coordination throughout the Asia-Pacific until its functions were reorganized under new commands.

USAD DaNang (United States Army Depot DaNang) was a critical logistics and supply installation operated by the U.S. Army during the Vietnam War. Established in the mid-1960s near Da Nang, South Vietnam, the depot managed the storage, maintenance, and distribution of military equipment, vehicles, and supplies to support American and allied forces in the northern regions, particularly I Corps Tactical Zone. USAD DaNang played a pivotal role during major operations such as the Tet Offensive, ensuring frontline units remained equipped and operational. The depot faced frequent threats from enemy attacks but continued its mission until the phased withdrawal of U.S. forces, ultimately ceasing operations as American military involvement in Vietnam ended in the early 1970s.

The U.S. Army Environmental Hygiene Agency (USAEHA), headquartered at Fort George G. Meade, Maryland, was established in 1942 as part of the Army’s efforts to protect soldier health and well-being. Initially focused on preventive medicine and controlling disease in the military, USAEHA evolved to address environmental health challenges such as water quality, industrial hygiene, and hazardous material management. Throughout the Cold War and beyond, the agency provided expert assessments and technical guidance to Army installations worldwide. In 1994, USAEHA was reorganized into the U.S. Army Center for Health Promotion and Preventive Medicine (USACHPPM), continuing its mission under a new name.

The USAR Garrison Detroit, Michigan, served as a key administrative and logistical hub for the United States Army Reserve in the Midwest. Established during the mid-20th century, the garrison provided essential support, training facilities, and mobilization coordination for Reserve units throughout the Detroit metropolitan area. Over the decades, it played a vital role in preparing Army Reserve soldiers for deployments in various conflicts, including the Gulf War and post-9/11 operations. The garrison’s presence underscored Detroit’s enduring contribution to national defense and the readiness of Reserve forces.

The United States Army Republic of Vietnam (USARV) Finance unit was established to provide comprehensive financial support and services for U.S. Army personnel and operations in Vietnam during the Vietnam War. Activated in 1966 under USARV headquarters, the unit was responsible for payroll, disbursement of funds, currency exchange, and financial management for both soldiers and military operations. USARV Finance played a crucial logistical role, ensuring timely payment and supporting the economic stability of U.S. forces during a complex and rapidly changing conflict. The unit continued its operations until the drawdown of U.S. forces, ceasing activities as the United States completed its withdrawal from Vietnam in 1973.

USASTRATCOM Thailand, formally known as the United States Army Strategic Communications Command-Thailand, was established in the early 1960s to support U.S. military operations during the Vietnam War. Its primary mission was to provide and maintain critical communications and signal support for American and allied forces operating in Southeast Asia. Headquartered in Bangkok, with installations across Thailand, the unit managed a vast network of radio, telephone, and teletype links crucial for command and control. USASTRATCOM Thailand operated until 1976, when U.S. military presence in Thailand was significantly reduced following the end of the Vietnam War.

The USATC FA HDQ Company, short for United States Army Training Center, Field Artillery Headquarters Company, has played a pivotal role in training and supporting field artillery operations for the U.S. Army. Based primarily at Fort Sill, Oklahoma—the home of the Field Artillery—the unit has been responsible for facilitating the organization, administration, and logistical support of field artillery training for new recruits and officers. Throughout its history, especially during major conflicts such as World War II, the Korean War, and the Vietnam War, the company has ensured that artillery units were combat-ready and well-coordinated. Its legacy endures as a crucial backbone in preparing soldiers for the complexities of modern artillery warfare.

The **USATCFE MP Co** (United States Army Forces in the Far East Military Police Company) was a military police unit activated during World War II to serve under the United States Army Forces in the Far East (USAFFE). The company was primarily responsible for maintaining law and order, traffic control, and security operations in the Philippines and other areas under US control during the Japanese invasion and subsequent liberation campaigns. Members of the USATCFE MP Co played crucial roles in supporting combat operations, protecting supply lines, and ensuring discipline among troops. After the war, the unit contributed to occupation duties and the restoration of civil authority in liberated territories.

The United States Disciplinary Barracks Military Police Battalion (USDB MP Battalion) is a specialized unit of the U.S. Army tasked with providing security, custody, and care for military prisoners at the United States Disciplinary Barracks, Fort Leavenworth, Kansas. Established to support the unique mission of the Army's only maximum-security prison, the battalion is responsible for maintaining order, discipline, and safety within the facility. Over the years, the USDB MP Battalion has adapted to evolving correctional practices and military law, ensuring compliance with Department of Defense standards. The unit’s personnel are trained in both military police operations and correctional procedures, making them a critical component in the military justice system.

USMACV Advisory Team 92 was a United States military unit operating in Vietnam under the U.S. Military Assistance Command, Vietnam (USMACV), and the United States Army, Vietnam (USARV). Activated during the Vietnam War, Team 92 was primarily responsible for providing military advisory support and coordination to the Army of the Republic of Vietnam (ARVN) units operating in Hau Nghia Province. The team assisted in tactical planning, intelligence sharing, and training to strengthen South Vietnamese combat effectiveness against Viet Cong and North Vietnamese forces. Their efforts contributed to the broader U.S. strategy of Vietnamization, aiming to empower local forces while gradually reducing American ground involvement.

U.S. Navy Hospital Memphis, originally commissioned as Naval Hospital Memphis in 1942, was established to provide medical care for military personnel during World War II. Located in Millington, Tennessee, the facility supported Naval Air Station Memphis and served as a critical treatment center for wounded servicemembers returning from overseas. Over the decades, the hospital continued to deliver comprehensive healthcare services to active duty, retirees, and their families, adapting to changing military needs. In 1993, the hospital was renamed Naval Branch Health Clinic Mid-South, reflecting its integration into Navy Medicine’s broader network and its ongoing mission of supporting operational readiness.

**USNSE Amf(l)**, or United States Navy Support Element Amphibious (Logistics), is a specialized logistics unit within the U.S. Navy. Established in the late 20th century, its primary mission is to provide logistical and supply support to amphibious operations, ensuring that Marine and Navy forces have the necessary resources for sustained operations ashore. The unit has been integral in supporting exercises, humanitarian missions, and contingency operations, particularly in the Pacific and Mediterranean regions. Throughout its history, USNSE Amf(l) has adapted to evolving logistical challenges, incorporating advanced technologies and joint-service coordination to enhance the effectiveness of U.S. amphibious capabilities.

The Vietnam 125th Maintenance Division was a key logistical and technical support unit in the People’s Army of Vietnam (PAVN), established during the Vietnam War to ensure the operational readiness of military hardware and vehicles. Stationed near major supply routes, the division was responsible for the repair and maintenance of tanks, trucks, artillery, and other equipment crucial for sustained combat operations. The 125th played a vital role during major offensives, such as the Ho Chi Minh Campaign, by keeping frontline units supplied and mobile. After the war, the division continued to serve in peacetime, supporting modernization and training efforts within the PAVN’s broader logistics network.

Marine Observation Squadron 3 (VMO-3) was a United States Marine Corps observation and reconnaissance squadron formed during World War II and later reactivated at Camp Pendleton, California. During the Vietnam War, VMO-3 deployed to Phu Bai, Republic of Vietnam (RVN), in 1965, where it provided aerial reconnaissance, artillery spotting, and close air support missions using aircraft such as the OV-10 Bronco and UH-1E Huey. The squadron played a crucial role in supporting Marine ground operations in northern I Corps, including the defense of the DMZ and the Battle of Hue. VMO-3 remained active in Vietnam until 1969, after which it returned to the United States and was eventually decommissioned.

The Warrior Transition Battalion (WTB) at Joint Base Lewis-McChord (JBLM), Washington, was established to provide comprehensive care and support to wounded, ill, and injured soldiers as they transition either back to active duty or to civilian life. Activated in the late 2000s as part of the Army’s response to the growing need for specialized care during the Global War on Terrorism, the battalion integrated medical, mental health, and administrative services under one command. Over the years, WTB JBLM played a crucial role in rehabilitating thousands of soldiers, fostering resilience and recovery through personalized treatment plans and adaptive programs. The battalion’s mission and structure evolved as part of the Army’s broader Soldier Recovery Unit (SRU) initiative, continuing its legacy of dedicated service and support to America’s warriors.

**WMCo, HqBn, HqRegt, MCB Camp Pendleton, California** (commonly known as the Western Military Company, Headquarters Battalion, Headquarters Regiment, Marine Corps Base Camp Pendleton) has served as a pivotal administrative and support unit within the United States Marine Corps. Established to provide command, control, and services to the installation and tenant commands, WMCo has played a key role in ensuring the operational readiness of Marine forces based at Camp Pendleton. Over the years, the unit has supported numerous deployments, training evolutions, and humanitarian missions, contributing significantly to the Marine Corps’ mission both domestically and abroad. Its personnel have been recognized for their professionalism and dedication to duty, upholding the proud traditions of the Marine Corps.

The WSMR R AND D, Atmospheric Science unit is a specialized research division at White Sands Missile Range (WSMR), established to support military testing and development through advanced atmospheric science. Since its inception in the Cold War era, the unit has played a critical role in studying weather, atmospheric phenomena, and their effects on missile trajectories and defense systems. Its research has enabled more accurate missile testing, improved safety protocols, and contributed to innovations in meteorological instrumentation. Over the decades, the unit’s expertise has been vital in supporting U.S. Army, Department of Defense, and allied operations at WSMR and beyond.

The 1st Battalion, 50th Infantry (Mechanized), HHC Scouts, has a distinguished history of reconnaissance and security operations within the U.S. Army. Originally activated during the Vietnam War, the unit provided critical scouting and intelligence-gathering capabilities in support of larger maneuver elements. Over the decades, the HHC Scouts adapted to evolving battlefield requirements, employing mechanized assets such as the M113 Armored Personnel Carrier for enhanced mobility and protection. Today, the legacy of the 1/50th Mech Inf HHC Scouts continues through its emphasis on adaptability, situational awareness, and mission accomplishment in both training and operational environments.

The 1st Squadron, 6th Cavalry Regiment (1/6 CAV) has a distinguished history within the United States Army, tracing its roots back to the 19th century. The unit has served in numerous conflicts, including World War II, Vietnam, Operations Desert Storm, Iraqi Freedom, and Enduring Freedom, adapting over time from traditional cavalry to modern aviation roles. As part of the 3rd Infantry Division's Combat Aviation Brigade, Troop C, 5th Platoon (3:5), has specialized in reconnaissance and attack missions, often flying the AH-64 Apache helicopter. Throughout its service, 1/6 CAV has earned multiple commendations for valor and excellence, exemplifying the motto "Courageous and Faithful."

The 100th Field Artillery (FA) traces its origins to World War I, when it was organized as part of the 42nd "Rainbow" Division in 1917. The unit saw action in France, participating in major campaigns such as Champagne-Marne and Meuse-Argonne, providing crucial artillery support. Reactivated for World War II, the 100th FA served valiantly in the European Theater, supporting infantry advances through France and Germany. Postwar, the unit continued its legacy within the Army National Guard, upholding its tradition of excellence and readiness.