sentences:  After the Sixtieth was mustered out, he was commissioned as a first lieutenant in the Fifty-seventh, serving in various capacities as an aide-de-camp and an assistant adjutant general at the army camp, rising to be assistant adjutant general of the First Division of the Ninth Army Corps, attached to the Army of the Potomac.At the Battle of Fort Stedman (March 25, 1865), Sturgis was taken prisoner, held in Libby Prison, and exchanged, serving until the end of the war in 1865.After the conclusion of the war, Sturgis briefly studied law, before moving to west to Neosho in Southwest Missouri in spring 1868.