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
2nd Cavalry Regiment (United States) after an hour of fighting, the troopers left, took a settler family under their charge and returned safely. All 5 men were awarded the Medal of Honor (SGT Patrick J. Leonard, and PVTs Heth Canfield, Michael Himmelsback, Thomas Hubbard, and George W. Thompson). Today, junior NCOs in the 2nd Cavalry Regiment compete for the Sergeant Patrick James Leonard award. On 17 March 1876, troopers from Companies E, I, and K (156 men) joined the 3rd Cavalry Regiment under COL Joseph J. Reynolds to combat the Cheyenne and Lakota in the ill-fated Big Horn Expedition. During the Battle of Powder River,