Fort Knox
Overview
 
Fort Knox is a United States Army
United States Army
The United States Army is the main branch of the United States Armed Forces responsible for land-based military operations. It is the largest and oldest established branch of the U.S. military, and is one of seven U.S. uniformed services...

 post in Kentucky
Kentucky
The Commonwealth of Kentucky is a state located in the East Central United States of America. As classified by the United States Census Bureau, Kentucky is a Southern state, more specifically in the East South Central region. Kentucky is one of four U.S. states constituted as a commonwealth...

 south of Louisville
Louisville, Kentucky
Louisville is the largest city in the U.S. state of Kentucky, and the county seat of Jefferson County. Since 2003, the city's borders have been coterminous with those of the county because of a city-county merger. The city's population at the 2010 census was 741,096...

 and north of Elizabethtown
Elizabethtown, Kentucky
Elizabethtown is a city in and the county seat of Hardin County, Kentucky, United States. The population was 28,531 at the 2010 census, making it the eleventh-largest city in the state...

. The 109054 acres (44,132.6 ha) base covers parts of Bullitt
Bullitt County, Kentucky
As of the census of 2000, there were 61,236 people, 22,171 households, and 17,736 families residing in the county. The population density was . There were 23,160 housing units at an average density of...

, Hardin
Hardin County, Kentucky
As of the census of 2000, there were 94,174 people, 34,497 households, and 25,355 families residing in the county. The population density was . There were 37,673 housing units at an average density of...

, and Meade
Meade County, Kentucky
As of the census of 2000, there were 26,349 people, 9,470 households, and 7,396 families residing in the county. The population density was . There were 10,293 housing units at an average density of...

 counties. It currently holds the Army Human Resources Center of Excellence to include the Army Human Resources Command, United States Army Cadet Command and the United States Army Accessions Command. U.S. Army Armor Center, the U.S. Army Armor School
United States Army Armor School
The United States Army Armor School is a training school located at Fort Benning. Its primary focus is the training of United States Army soldiers, NCOs, and commissioned officers in the operation, tactics, and maintenance of Armor forces and equipment, including the M1 Abrams main battle tank, the...

 (moved to Fort Benning
Fort Benning
Fort Benning is a United States Army post located southeast of the city of Columbus in Muscogee and Chattahoochee counties in Georgia and Russell County, Alabama...

), and is used by both the Army and the Marine Corps
United States Marine Corps
The United States Marine Corps is a branch of the United States Armed Forces responsible for providing power projection from the sea, using the mobility of the United States Navy to deliver combined-arms task forces rapidly. It is one of seven uniformed services of the United States...

 to train crews on the M1 Abrams
M1 Abrams
The M1 Abrams is a third-generation main battle tank produced in the United States. It is named after General Creighton Abrams, former Army Chief of Staff and Commander of US military forces in Vietnam from 1968 to 1972. The M1 is a well armed, heavily armored, and highly mobile tank designed for...

 main battle tank
Main battle tank
A main battle tank , also known as a battle tank or universal tank, is a tank that fills the heavy direct fire role of many modern armies. They were originally conceived to replace the light, medium, heavy and super-heavy tanks. Development was spurred onwards in the Cold War with the development...

.
 
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