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.
2nd West Virginia Volunteer Cavalry Regiment and a new CompanyG consisted of men from CompanyM. The new regiment commander was Lieutenant Colonel James Allen. His second-in-command was Major Edwin S. Morgan. General Sheridan now led an 8,000-man force, and it consisted of two cavalry divisions. General Wesley Merritt was Sheridan's cavalry commander. General Thomas Devin led the 1st Division, and the 3rd Division was commanded by George Armstrong Custer, who was now a general. The 2nd West Virginia Cavalry became part of the 3rd Brigade, 3rd Division Cavalry Corps. The brigade consisted of the 1st, 2nd, and 3rd West Virginia Cavalry regiments, and was commanded by