Fort Abraham Lincoln log scouts' quarters. Water was supplied to the fort by being hauled from Missouri River in wagons, while wood was supplied by contract. By 1873, the 7th Cavalry moved into the fort to ensure the expansion of the Northern Pacific Railway. The first post commander of the expanded fort was Lieutenant Colonel George A. Custer, who held the position until his death in 1876. In 1876, the Army departed from here as part of the Great Sioux War of 1876-77, resulting in Custer's defeat at the Battle of the Little Bighorn, where they were to push the non-treaty Indians back
The Great Sioux Massacre 7th Cavalry and a promotion to brevet colonel. Captain Benton refuses and considers resigning his commission out of loyalty to his commander. Major Reno's daughter browbeats her father, who says he will not accept command of the regiment, gives his blessing to Caroline and Benton's marriage and gives up his drinking. In Washington Senator James G. Blaine visits the humbled Custer and tempts him with an offer to be the party's candidate for President of the United States. The Senator informs Custer this can be accomplished through obtaining a reputation through his military exploits in a war with the Indians.