US Army
1,348,448 members•7,146 units
Opening branch overview
Building the branch home surface
Loading branch highlights, featured unit context, and gallery moments.
Overview
Members
Units
Over 3,064,780 active members
1,348,448 members•7,146 units
Building the branch home surface
Loading branch highlights, featured unit context, and gallery moments.
Building the branch members surface
Loading branch members, era browse tools, and directory controls.
MACV Team 70
U.S. Army
MACV Team 70, also known as Advisory Team 70, was a unit of the U.S. Military Assistance Command, Vietnam (MACV) during the Vietnam War. Established as part of the broader MACV advisory effort, Team 70 was assigned to Bình Định Province in the II Corps Tactical Zone. Its primary mission was to advise and support the Army of the Republic of Vietnam (ARVN) and local paramilitary forces in counterinsurgency operations against the Viet Cong. The team played a significant role in coordinating pacification programs, improving local security, and fostering civil-military relations throughout the province until the drawdown of U.S. forces.
Mash
U.S. Army
The Mobile Army Surgical Hospital (MASH) units were first established by the United States Army during the Korean War in 1950. Designed to provide rapid, life-saving surgical care close to the front lines, MASH units revolutionized battlefield medicine with their mobility and advanced medical capabilities. Over the course of the Korean conflict, MASH teams significantly improved the survival rate of wounded soldiers through swift evacuation and treatment. Their success influenced military medical doctrine in subsequent wars, and the concept later evolved into modern Combat Support Hospitals (CSHs).
MILITARY DISTRICT OF WASHINGTON DC
U.S. Army
The Military District of Washington (MDW) is a major command of the United States Army, established in 1862 during the American Civil War to defend the nation’s capital. Throughout its history, MDW has played a critical role in the security and ceremonial functions of Washington, D.C., including overseeing the defense of the city during wartime and major national events. The command is responsible for organizing high-profile ceremonies, such as presidential inaugurations, state funerals, and official visits by foreign dignitaries. Today, MDW continues to provide security, ceremonial support, and emergency response for the National Capital Region, maintaining its legacy as the Army’s premier ceremonial and protective command.
Montana National Guard
U.S. Army
The Montana National Guard was established in 1867, originally organized as volunteer militia units to protect settlers and maintain order in the newly formed Montana Territory. Over the years, the Guard has served in numerous conflicts, including the Spanish-American War, World War I, World War II, and deployments to Iraq and Afghanistan in the 21st century. The Montana Army and Air National Guard have provided critical support during natural disasters, search and rescue missions, and civil emergencies within the state. Today, the Montana National Guard continues its dual mission of serving both the state of Montana and the United States, ensuring readiness for both domestic and overseas operations.
O5C signal School, Ft Gordon, Ga
U.S. Army
The O5C Signal School, located at Fort Gordon, Georgia, has a distinguished legacy as a premier training center for U.S. Army signal personnel. Established during the Cold War era, the school was dedicated to training soldiers in the O5C military occupational specialty, which focused on radio teletype operations and communications security. Over the years, the O5C Signal School played a crucial role in preparing soldiers for both tactical and strategic communications missions worldwide. As technology evolved, the school's mission adapted, eventually merging its training programs into broader signal and cyber operations curricula at Fort Gordon, now home to the U.S. Army Cyber Center of Excellence.
Petroleum Distribution Command
U.S. Army
The Petroleum Distribution Command is a specialized logistics unit responsible for the management, storage, and distribution of fuel and lubricants to military forces in both peacetime and combat operations. Established to ensure uninterrupted energy supply lines, the command has played a crucial role in supporting major campaigns by enabling rapid mobility for armored, air, and naval units. Throughout its history, the unit has adapted to technological advancements, including the transition from traditional fuel depots to modern pipeline and bulk distribution systems. Its expertise in fuel logistics has made it an indispensable asset in sustaining operational readiness and extending the reach of military operations worldwide.
Polar Research & Development
U.S. Army
**Polar Research & Development** is a specialized military unit established in the early 1980s to advance the armed forces’ capabilities in extreme cold weather operations. The unit initially focused on developing cold-weather gear, survival techniques, and mobility solutions for operations in the Arctic and Antarctic regions. Over time, it expanded its mission to include the testing of new technologies for navigation, communication, and logistics in polar environments. Today, Polar Research & Development plays a vital role in training personnel, supporting scientific expeditions, and ensuring military readiness in some of the world’s harshest climates.
Quantico Security Battalion
U.S. Army
The Quantico Security Battalion is a United States Marine Corps unit stationed at Marine Corps Base Quantico, Virginia. Its origins trace back to the need for dedicated security and law enforcement at the base, evolving from earlier military police detachments. The battalion is tasked with providing force protection, law enforcement, and security operations for the base, safeguarding critical assets, personnel, and high-profile events. Over the years, it has played a crucial role in supporting Marine Corps missions, training, and the protection of national leadership facilities located on or near Quantico.
Raven Rock Mountain Complex (Site R)
U.S. Army
The Raven Rock Mountain Complex, commonly known as Site R, is a highly secure military installation located in Pennsylvania, near the Maryland border. Constructed in the early 1950s during the Cold War, the facility was designed as an alternate command center for the United States military and government in the event of a nuclear attack. Site R serves as a backup to the Pentagon, housing operations centers for the Department of Defense, including the Alternate National Military Command Center (ANMCC). Over the decades, it has remained a vital component of U.S. strategic continuity planning, adapting to evolving threats and technological advancements.
U.S. Army Veteran (2026 - 2026)
U.S. Army Veteran (2026 - 2026)
U.S. Army Other (2026 - 2026)
U.S. Army Spouse (2026 - Present)