Thomas Mower McDougall subsequently he was appointed Captain, 15 Dec 1875. In 1876 Captain McDougall commanded Company B and accompanied the 7th Cavalry Regiment, under command of Lt. Col. George A. Custer in its fateful departure from Fort Abraham Lincoln to participate in what became known as the Great Sioux War of 1876, which culminated in the Battle of the Little Bighorn, also known as Custer's Last Stand which occurred on June 25–26, 1876. On May 17, 1876, the 7th Cavalry left their base at Fort Abraham Lincoln near present day Mandan, North Dakota to join in a campaign against the Sioux Indians.
Giovanni Martino assignment to the U.S. Seventh Cavalry Regiment, led by Lieutenant Colonel George Armstrong Custer. In 1876, he was attached to Company H but on the morning of June 25, Martin was temporarily assigned to serve as one of Custer’s bugler-orderlies. As Custer and nearly 210 troopers and scouts began their final approach to the massive Indian village located in the Little Big Horn River valley, Martin was dispatched with an urgent note for reinforcements and ammunition. Newspaper accounts of the period referred to him as “Custer massacre survivor” and “the last white man to see Custer alive”. Martin and the