United States Cavalry States Cavalry fought in virtually every campaign in the north during the American Civil War. The U.S. Cavalry played a prominent role in the American Indian Wars, particularly in the American Old West. Particularly notable were the 7th Cavalry, associated with General George Armstrong Custer and the Battle of the Little Bighorn, and the 9th and 10th Cavalry, the Buffalo Soldiers. Infantry units, called by the Indians "walkaheaps", were also involved and in some cases were the main force deployed. Infantry, when mounted, were called "mounted infantry"; they lacked training and skill in horsemanship and cavalry tactics. A notable cavalry
Yellowstone Expedition of 1873 of the hill along the Yellowstone River. George Custer, with Companies A and B of the 7th Cavalry under the command of Captain Myles Moylan scouted to the west ahead of Stanley's column. Custer's group consisted of 86 enlisted men, 4 officers, and Indian scouts. Custer's brother, First Lieutenant Thomas Custer, and his brother-in-law, First Lieutenant James Calhoun, accompanied him. Shots were exchanged with Sioux Warriors near the Yellowstone River early in the battle, and George Custer's men formed a skirmish line. A volley from the line distracted the pursuing Indians enough to halt the warriors' charge. Custer had Captain