Frederick Benteen Frederick Benteen Frederick William Benteen (August 24, 1834 – June 22, 1898) was a military officer who first fought during the American Civil War. He was appointed to commanding ranks during the Indian Campaigns and Great Sioux War against the Lakota and Northern Cheyenne. Benteen is best known for being in command of a battalion (Companies D, H,& K) of the 7th U. S. Cavalry at the Battle of the Little Bighorn in late June, 1876. While scouting the area, Captain Benteen received an urgent note from his superior officer George Armstrong Custer ordering him to bring up the ammunition
5th Cavalry Regiment Henry Thomas. The regiment was rebuilt with new officers and recruits loyal to the Union and was assigned to the Army of the Potomac under the command of General George McClellan. On 21 July 1861, the regiment participated in its first battle of the American Civil War, the First Battle of Bull Run; it was the last action in which they would be called the "2nd Cavalry." In the summer of 1861, all regular mounted regiments were re-designated as "cavalry", and being last in seniority among the existing regiments, the regiment was re-designated as the 5th United States Cavalry. During