Mezue ahịrịokwu na-esonụ: A mụrụ Miles na Maryland. Ọ gụsịrị akwụkwọ na United States Military Academy na 1824 ma nye ya ọrụ dị ka onye isi nke abụọ na 4th U.S. Infantry regiment, mana e zigara ya ozugbo na 7th U.S. Infantry Regiment, nke o jere ozi ruo 1847. O jere ozi na mpaghara ọdịda anyanwụ wee bụrụ onye enyemaka nke 7th U.S. A kwalitere ya ịbụ onye isi na June 8, 1836, ma lụọ agha na Seminole Wars na Florida site na 1839 ruo 1842. Na mbido agha Mexico na America, ọ natara nkwalite brevet ka ọ bụrụ onye isi maka "omume obi ike ya na nke pụtara ìhè" na nchekwa nke Fort Brown, Texas. Ọ lụrụ agha na Monterrey na
Siege nke Veracruz, nke o mechara chịa dị ka ọchịagha ndị agha ruo ọnwa anọ. A họpụtara ya ka ọ bụrụ onye isi ndị agha n'ihi "omume obi ike na omume ọma n'ọtụtụ esemokwu na Monterrey, Mexico".