Dee ihe na-aga n'ihu maka paragraf a - E kenyere ya na 21st Infantry Regiment, McAndrew jere ozi na mbụ na ọdịda anyanwụ United States, ma sonye na Ghost Dance War megide Sioux na 1890<unk>1891. E buliri ya n'ọkwa lieutenant na 1894, e kenyekwara ya na 3rd Infantry. McAndrew jere ozi na Cuba n'oge Spanish-American War, ma sonye na Agha nke El Caney
na nnọchibido nke Santiago. N'afọ 1899, e buliri McAndrew n'ọkwa onyeisi ndị agha, o wee jee ozi na Philippines n'oge Agha Philippine-American. Site na 1905 ruo 1906, o jere ozi na 3rd Infantry na Skagway, Alaska.