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 Crow's Nest, east of the Little Bighorn River. At sunrise on June 25, Custer's scouts reported they could see a massive pony herd and signs of the Native American village roughly in the distance. After a night's march, the tired officer who was sent with the scouts could see neither, and when Custer joined them, he was also unable to make the sighting. Custer's scouts also spotted the regimental cooking fires that could be seen from away, disclosing the regiment's position. Custer contemplated a surprise attack against the encampment the following morning of June 26, but he then received a