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
7th Cavalry Regiment was Lt. Col. Brice C. W. Custer, the grand-nephew of former commander George Armstrong Custer. 7th Cavalry Regiment was reorganized under a new table of organization and equipment on 25 March 1949, when the troops were once again designated as companies. The 7th Cavalry fought in the Korean War's bloodiest battles. These include Hwanggan, Poksong-Dong, Kwanni, and Naktong River Defense (Battle of Pusan Perimeter). When the 1st Cavalry Division attacked north, the 7th Cavalry was in front, smashing 106 miles behind enemy lines in an historic 24 hours. Three more Presidential Unit Citations were added to the colors. In the