30. Camp Shelby
> State: Mississippi
> Nearest city: Hattiesburg
> Service branch: Army Guard
> Physical size: 136,215 acres
> Personnel: 1,223
Camp Shelby, which opened in 1917, is a joint forces training center located in southern Mississippi. The facility is a training area for the M1 Abrams Tank and Bradley Infantry Fighting Vehicles.
29. Fort Carson
> State: Colorado
> Nearest city: Colorado Springs
> Service branch: Army
> Physical size: 137,409 acres
> Personnel: 57,393
The Colorado facility southwest of Colorado Springs is one of the nation’s youngest military installations, where soldiers are trained to fight in mountainous terrain.
28. Fort McCoy
> State: Wisconsin
> Nearest city: Sparta
> Service branch: Army Reserve
> Physical size: 139,763 acres
> Personnel: 905
Fort McCoy is the largest military base in Wisconsin. Since 1990, the federal government has spent more than $265.6 million on new construction at the base.
27. Hawthorne Army Depot
> State: Nevada
> Nearest city: Hawthorne
> Service branch: Army
> Physical size: 147,312 acres
> Personnel: Fewer than 100 active duty
The Hawthorne Army Depot in Nevada is the world’s largest ammunition depot. Among its missions is to demilitarize ammunition stockpiles by burning and detonating ordnance.
26. Fort Hunter Liggett
> State: California
> Nearest city: Jolon
> Service branch: Army Reserve
> Physical size: 162,773 acres
> Personnel: N/A
The California facility has been an Army installation since 1940, after the federal government bought the land from publishing mogul William Randolph Hearst Jr. and other landowners. Today, the instillation is used for large-scale joint training exercises.