 He was appointed major in the 13th U.S. Infantry Regiment on February 2, 1892.He was appointed lieutenant colonel in the 25th U.S. Infantry Regiment on October 1, 1895.In his military career after the Civil War, Aaron Daggett went on to fight in the Indian Wars, in which he received a purple heart, the Spanish–American War in China, and the Philippines and received another Purple Heart and the Gold Star.