Thomas Custer in the Yellowstone Expedition of 1873, where he fought in the Battle of Honsinger Bluff, and the Black Hills Expedition of 1874. Custer was appointed captain in 1875 and given command of Company C of the 7th Cavalry. In 1874, at the trading post at Standing Rock Agency, Custer participated in the arrest of chief Rain-in-the-Face (Lakota), suspected in the 1873 murder of Dr. John Honsinger. During the 1876 Little Bighorn campaign of the Black Hills War, he served as aide-de-camp to his older brother Lt. Col. George A. Custer and died with his brother on June 25, 1876. Lt.
Battle of the Little Bighorn such claims. Theodore Goldin, a battle participant who later became a controversial historian on the event, wrote (in regards to Charles Hayward's claim to have been with Custer and taken prisoner): The only documented and verified survivor of Custer's command (having been actually involved in Custer's part of the battle) was Captain Keogh's horse, Comanche. The wounded horse was discovered on the battlefield by General Terry's troops, and although other cavalry mounts survived they had been taken by the Indians. Comanche eventually was returned to the fort and became the regimental mascot. Several other badly wounded horses were found and