4th Cavalry Regiment (United States) companies of the 4th Cavalry to Fort Clark. This time Mackenzie led a larger and more extensive expedition into Mexico, restored a system of patrols, and reestablished peace in the devastated region of South Texas. Outside Texas, Mackenzie and the 4th Cavalry administered and controlled the Kiowa-Comanche and the Cheyenne-Arapaho reservations for several years, and, after the defeat of George Armstrong Custer's command at the Battle of Little Bighorn in June 1876, forced Crazy Horse and his band of Sioux and the Northern Cheyennes to surrender. In the autumn of 1879, Mackenzie with six companies of the 4th Cavalry subdued
5th Cavalry Regiment the Great Plains, and against the Utes in Colorado. On 8 July 1869 at the Republican River in Kansas, Cpl John Kyle made a valiant stand against attacking Indians resulting in him receiving the Medal of Honor. The 5th was then sent to Arizona, where it defeated the Apaches in 95 engagements from 1871 to 1874. Due to these actions, General William Sherman told a committee from the United States House of Representatives that "the services of the 5th Cavalry Regiment in Arizona were unequaled by that of any Cavalry Regiment." After General Custer and 264 of his men died