Civil War Union Brevet Brigadier General. He was a United States Regular Army officer who led a volunteer unit from his home state of Massachusetts. He began the war as a Captain in the 10th United States Regular Infantry, but was appointed Colonel and commander of the 30th Massachusetts Volunteer Infantry, who he led for much of the early part of the conflict. He later served as an aide to Major General Nathaniel Banks before reverting back to the Regular Army, where he was promoted to Major of the 15th United States Infantry. He was brevetted Brigadier General, US Volunteers on January 19, 1865 for his faithful service. He remained in the Army, and retired with the rank of Colonel in 1889. Dudley played a key role in the Lincoln County War as commander of Fort Stanton in New Mexico Te