Installations of the United States Army
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| Installations of the United States Army | |
|---|---|
| Name | Installations of the United States Army |
| Caption | Aerial view of a large continental installation |
| Established | 1775 |
| Type | Army installations |
| Owner | United States Department of the Army |
| Location | Worldwide |
Installations of the United States Army are the network of fort, camp, garrison, base and post properties operated by the United States Army to support national defense, allied operations, and domestic missions. These properties range from continental posts such as Fort Bragg and Fort Hood to overseas sites like Camp Humphreys and Kadena Air Base, serving units of the United States Army Reserve, United States Army National Guard, and active-duty forces such as the 1st Infantry Division, 82nd Airborne Division, and 1st Special Forces Command.
History and Development
Army installations trace origins to early Continental Army encampments at Valley Forge and frontier outposts in the Northwest Territory; later expansion followed the Mexican–American War, Civil War, and Spanish–American War. Growth accelerated during World War I mobilization and the National Defense Act of 1920, while interwar planning influenced bases cited in the Hughes Plan and LeMay Doctrine-era strategy. The World War II mobilization produced training centers such as Fort Benning, Fort Knox, and Fort Campbell, and Cold War imperatives led to overseas stationing in West Germany, South Korea, and Japan under agreements like the Status of Forces Agreement. Post-Cold War adjustments, influenced by the BRAC rounds and operations in Operation Iraqi Freedom and Operation Enduring Freedom, reshaped the installation map.
Organization and Classification
Installations are managed by Installation Management Command and executed through regional materiel and U.S. Army Corps of Engineers directorates, with garrison commanders responsible under Department of Defense Instruction authorities. Classification systems distinguish Power Projection Platform-style power projection posts, continental garrisons, training centers such as National Training Center at Fort Irwin, and sustainment hubs like Redstone Arsenal. Installations are categorized by mission: maneuver, training, logistics, medical, and research facilities affiliated with institutions such as United States Army War College, United States Military Academy, and Walter Reed National Military Medical Center.
Major Active Installations
Major active continental installations include Fort Bragg (airborne and special operations), Fort Hood (III Corps), Fort Campbell (101st Airborne Division), Fort Carson (4th Infantry Division), Fort Stewart (3rd Infantry Division), Fort Bliss (El Paso area), Joint Base Lewis–McChord (I Corps), Fort Benning (Maneuver Center of Excellence), Fort Leonard Wood (Engineer and Chemical Schools), and Redstone Arsenal (missile and aviation). Other prominent posts include Schofield Barracks (Hawai‘i), Fort Riley (1st Infantry Division), Fort Sill (Field Artillery), Fort Polk (Joint Readiness Training Center), and Fort McCoy (mobilization center). Installations also host major commands such as U.S. Army Forces Command, U.S. Army Training and Doctrine Command, and U.S. Army Space and Missile Defense Command.
Overseas and Joint Bases
Overseas posture includes Camp Humphreys (Republic of Korea), Kadena Air Base (Japan), Camp Zama (Japan), Aviano Air Base partnerships (Italy), and enduring presence in Germany at installations like Grafenwöhr and Ramstein Air Base arrangements. Joint basing arrangements—established under the BRAC implementations and Joint Basing policy—create entities such as Joint Base Myer–Henderson Hall and Joint Base Langley–Eustis, integrating Army, Air Force, and Navy functions. Status of Forces Agreements, NATO basing accords, and bilateral treaties govern supply, logistics, and training access at locations including Sasebo and Camp Humphreys.
Functions and Facilities
Installations provide training areas such as ranges and maneuver areas at National Training Center, maintenance depots like Anniston Army Depot and Letterkenny Army Depot, munitions storage at sites modeled after Tooele Army Depot, and power projection through airfields and port facilities at Port of Beaumont in coordination with U.S. Army Transportation Corps. Medical care is provided at facilities such as Walter Reed and Brooke Army Medical Center, while research and acquisition occur at centers including U.S. Army Research Laboratory and Aviation and Missile Command. Housing, family support, schools coordinated with the Department of Defense Education Activity, and Morale, Welfare and Recreation programs anchor quality-of-life services.
Environmental and Community Impact
Environmental stewardship obligations include compliance with the National Environmental Policy Act and cleanup under Comprehensive Environmental Response, Compensation, and Liability Act programs at legacy sites such as former Fort Ord and Rocky Mountain Arsenal. Installations coordinate with local governments, Environmental Protection Agency, and stakeholders over land use, encroachment, and Endangered Species Act protections while balancing training requirements that affect airspace managed with Federal Aviation Administration and regional planning commissions. Economic relationships with surrounding counties, municipal partners, chambers of commerce, and universities influence workforce development, base support contracts, and community resilience.
Future Plans and Base Realignment and Closure (BRAC)
Future basing decisions respond to evolving strategies articulated by the National Defense Strategy, congressional mandates from the Defense Appropriations Act, and periodic BRAC reviews led by independent commissions and implemented by the Secretary of Defense. Planned investments include modernization projects at Fort Gordon, cyber and space infrastructure aligned with United States Cyber Command and United States Space Command priorities, and resilience measures for climate change effects on coastal installations such as those in Virginia Beach and San Diego County. BRAC deliberations and force posture reviews continue to weigh readiness, alliance commitments to NATO, cost-effectiveness, and community impacts in shaping the Army's global footprint.