Question: Who was born in 1824 and served in a regiment of the United States Army currently stationed at Fort Hood, Texas?
Sentence (from "Robert Murray Morris"): From 1846, he served as an U. S. Army officer in the Mexican American War and in the antebellum western frontier of the United States in the Regiment of Mounted Rifles, renamed 3rd Cavalry Regiment in August 1861 at the start of the American Civil War.
Relevant evidence: Yes