Thomas Weir (American soldier) Thomas Weir (American soldier) Captain Thomas Benton Weir (b. September 28, 1838 -– d. December 9, 1876) was an officer in the 7th Cavalry Regiment (United States), notable for his participation in the Battle of the Little Bighorn, also known as Custer's Last Stand. Weir served under General George Armstrong Custer during the American Civil War, and after the war continued serving with Custer up to the famous battle in 1876. During the Little Bighorn Battle, Weir disobeyed orders to remain in a defensive position at Reno Hill and led a cavalry group that attempted to come to Custer's aid.
Battle of the Little Bighorn battle. Custer had initially wanted to take a day and scout the village before attacking; however, when men went back after supplies dropped by the pack train, they discovered they were being back-trailed by Indians. Reports from his scouts also revealed fresh pony tracks from ridges overlooking his formation. It became apparent that the warriors in the village were either aware of or would soon be aware of his approach. Fearing that the village would break up into small bands that he would have to chase, Custer began to prepare for an immediate attack. Custer's field strategy was designed to