Fort Custer (Montana) Fort Custer (Montana) Fort Custer was established during the Indian wars in the Department of Dakota by the U.S. Army to subjugate the Sioux, Cheyenne and Crow Indians near present-day Hardin, Montana. The post was named for General George Armstrong Custer who died at the Battle of the Little Big Horn. In April and May, 1877, three companies (C, F and G) were moved from Cheyenne Agency, and three companies ( A, B and H) from Fort Yates in the Standing Rock Agency to the Little Big Horn, Montana, under the command of Lieut.-Colonel G. P. Buell, 11th Infantry, where
5th Cavalry Regiment the yellow field on the lower half of the crest. On 9 April 1865, the 5th Cavalry was selected to serve as the Union Honor Guard for the surrender of the Confederate Army of Northern Virginia at Appomattox Courthouse. The Regiment stood by solemnly as it watched its former commander, General Robert E. Lee, surrender to the Union Army. In September 1868, the 5th Cavalry Regiment received its orders and began preparations for duty against hostile Indians in Kansas and Nebraska. In the following years the 5th Cavalry fought many skirmishes and battles against the Sioux, Cheyenne and Arapaho on