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
2nd Cavalry Regiment (United States) and was spread out, often with only one troop occupying a post. In December 1866, 25 troopers of the 2nd Cavalry under LT George W. Grummond accompanied CPT William J. Fetterman in his expedition against Chief Red Cloud. In northern Wyoming, these 81 men were engaged by a force of roughly 1,000 Indians, where they were all massacred in a desperate battle. On 29 June 1867, a small party of 10 troopers and 1 Indian scout under LT Lyman Kidder were ordered to take dispatches from General William Sherman to LTC George A. Custer. Custer grew impatient and moved out