Army troop deployments in the

Many of these other original fort locations became major population centers a century later, such as the city of Fort Collins along the Front Range of Colorado. 

The period 1900-1950 witnessed a significant expansion of military lands in the U.S., particularly to mobilize and train land-based and air-based forces (Army, Army Air Corps and Marine Corps) for combat in the European and Pacific Theaters of WWI and WWII. Two examples of this expansion were lands acquired to support the Louisiana Maneuvers in the southeastern U.S. in preparation for the land 

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