United States v. Sioux Nation of Indians their failure to obey an order to return from an off-reservation hunting expedition in the dead of winter when travel was impossible. The consequent military expedition to remove the Sioux from the Black Hills included an attack on their village on the Little Bighorn River led by General Custer. The attack culminated in the victory of Chiefs Sitting Bull and Crazy Horse over the 7th Cavalry Regiment now known as Custer's Last Stand. That victory was short-lived. Those Indians who survived subsequent battles to surrender to the Army were interned on a reservation, and deprived of their weapons and horses,
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,