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 before he died. Having isolated Reno's force and driven them away from the encampment, the bulk of the native warriors were free to pursue Custer. The route taken by Custer to his "Last Stand" remains a subject of debate. One possibility is that after ordering Reno to charge, Custer continued down Reno Creek to within about a half-mile (800 m) of the Little Bighorn, but then turned north and climbed up the bluffs, reaching the same spot to which Reno would soon retreat. From this point on the other side of the river, he could see Reno charging the village.