U.S. Army Register of Enlistments, 1798-1914 shows Charles N. Martin enlisting in Company I of the 2nd Infantry Regiment at Camp Shipp in Calhoun Co., Alabama on January 28, 1899. The record also shows that he died of endocarditis at Camp Shipp on February 14, 1899. He is buried at the Bethel Methodist Cemetery in Peeks Hill, Calhoun Co., Alabama near his father and mother.