Military installations in Missouri

Military installations in Missouri
State	Missouri
Country	United States
Controlled by	United States Department of Defense, Missouri National Guard
Major bases	Fort Leonard Wood, Whiteman Air Force Base, Fort Scott National Historic Site

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Military installations in Missouri

Missouri hosts a diverse array of United States Armed Forces facilities, National Guard training sites, Department of Defense support centers, and historic posts that have influenced regional development. Installations in Missouri have served roles in continental defense, mobilization for the World War II and Cold War, and continuing operations supporting the United States Air Force, United States Army, United States Navy, and state-level forces. These sites intersect with federal programs, state policy, and local economies across the Ozarks, Kansas City metropolitan area, and St. Louis metropolitan area.

Overview

Missouri's installations include active bases such as Fort Leonard Wood and Whiteman Air Force Base, state-operated hubs like the James S. McDonnell Air Force Base legacy sites and Sac River National Guard Training Center derivatives, and historic posts including Fort Osage, Camp Clark, and Jefferson Barracks National Cemetery. The state's position near the Mississippi River, Missouri River, and major rail corridors made it a logistical center for the Union Army during the American Civil War and later for mobilization during World War I and World War II. Federal agencies including the Defense Logistics Agency and the Army Materiel Command have maintained depots and supply points in Missouri, complementing United States Transportation Command and Air Mobility Command operations based nearby.

Current active military sites include the United States Army Maneuver Support Center of Excellence at Fort Leonard Wood, the 509th Bomb Wing at Whiteman Air Force Base, the 139th Airlift Wing lineage units historically associated with Missouri wings, and Fort Leonard Wood Regional Support Center elements. The Missouri National Guard operates facilities such as the Ladue Armed Forces Reserve Center and the Camp Clark Maneuver Training Area, while federal reserve centers under Defense Finance and Accounting Service and United States Army Reserve presence occur across St. Louis, Kansas City, Springfield, Missouri, and Columbia, Missouri. Also present are Rolla National Airport aerospace collaboration sites, Vichy Test Track-style ranges, and specialized units tied to the Chemical Corps and Engineer Regiment.

Notable former installations include Fort Crowder, Forney Army Airfield, Camp Crowder, and World War II-era ordnance depots such as the Bolling Field analogues and the former Naval Air Station St. Louis precursor facilities. Historic frontier posts like Fort Bellefontaine and Fort Osage transitioned to civilian stewardship, while Cold War-era sites including former ballistic missile support sites and radar stations tied to the Semi-Automatic Ground Environment were closed or repurposed. Many decommissioned airfields and depots have become industrial parks, academic campuses (including partnerships with Missouri University of Science and Technology), or National Register of Historic Places listings, reflecting adaptive reuse trends seen in Lebanon, Missouri and Poplar Bluff.

Missouri installations support strategic basing for Air Combat Command-aligned missions, expeditionary training for the United States Army Corps of Engineers, and mobilization for homeland security responses coordinated with the Federal Emergency Management Agency and the Department of Homeland Security. The 509th Bomb Wing at Whiteman Air Force Base fields Northrop Grumman B-2 Spirit operations that contribute to United States strategic deterrence alongside assets managed by Strategic Air Command legacy organizations. The Missouri National Guard integrates with Northern Command missions for domestic support and with United States Northern Command planning for disaster response. Reserve components in Missouri feed personnel and materiel into campaigns such as operations linked to Operation Enduring Freedom and Operation Iraqi Freedom.

Installations such as Fort Leonard Wood and Whiteman Air Force Base are major employers in counties including Pulaski County, Missouri and Johnson County, Missouri, driving demand for housing, education, and health services tied to institutions like Mercy Hospital Springfield and University of Missouri Health Care. Defense contracting involving firms like Boeing, Lockheed Martin, Northrop Grumman, and regional suppliers supports local economies in St. Charles County, Missouri and the Lake of the Ozarks area, while veterans’ services coordinate with the Department of Veterans Affairs and the Missouri Veterans Commission. Military-related events intersect with civic organizations like the American Legion and the Veterans of Foreign Wars, and influence infrastructure funding through partnerships with county governments in Greene County, Missouri and Jefferson County, Missouri.

Environmental remediation at former military sites engages agencies including the Environmental Protection Agency and the Missouri Department of Natural Resources to address munitions constituents, per- and polyfluoroalkyl substances concerns from firefighting foams, and unexploded ordnance on former training ranges. Conversion projects have involved Army Corps of Engineers oversight and collaboration with conservation groups such as the Missouri Department of Conservation to restore wetlands along the Mississippi River and Big River. Land use disputes have arisen in areas like Jefferson Barracks and ex‑airfield properties where National Environmental Policy Act reviews and Comprehensive Environmental Response, Compensation, and Liability Act processes guide redevelopment into industrial parks, renewable energy projects, and mixed-use neighborhoods.

Significant events tied to Missouri installations include wartime mobilization at Camp Crowder during World War II, Cold War alert posture adjustments at Whiteman Air Force Base during the Cuban Missile Crisis, and the role of Missouri units in the Battle of Wilson's Creek heritage interpretations. Accidents and incidents—ranging from aircraft mishaps investigated by the National Transportation Safety Board to hazardous material releases prompting Environmental Protection Agency response—have shaped policy and community relations. Memorials and ceremonies at sites like Jefferson Barracks National Cemetery and Fort Leonard Wood honor service connected to conflicts from the Mexican–American War through Global War on Terrorism deployments.

Category:Military installations by state Category:Military in Missouri