Great Sioux War of 1876 Col. George Armstrong Custer and the Seventh Cavalry were ordered out from the main Dakota Column to scout the Rosebud and Big Horn river valleys. On June 25, 1876, they encountered a large village on the west bank of the Little Bighorn. The US troops were seriously beaten in the Battle of the Little Bighorn and nearly 270 men were killed, including Custer. Custer split his forces just prior to the battle and his immediate command of five cavalry companies was annihilated without any survivors. Two days later, a combined force consisting of Colonel Gibbon's column, along with Terry's headquarters
Battle of the Little Bighorn to why he refused them and what advantage their availability might have conferred on his forces at the Battle of the Little Bighorn. One factor concerned Major Marcus Reno's recent 8-day reconnaissance-in-force of the Powder-Tongue-Rosebud Rivers, June 10 to 18. This deployment had demonstrated that artillery pieces mounted on gun carriages and hauled by horses no longer fit for cavalry mounts (so-called condemned horses) were cumbersome over mixed terrain and vulnerable to breakdowns. Custer, valuing the mobility of the 7th Cavalry and recognizing Terry's acknowledgement of the regiment as "the primary strike force" preferred to remain unencumbered by the Gatling