Mezue ahịrịokwu na-esonụ: Mgbe e buliri ya n'ọkwa onyeisi ndị agha, Morrison sonyeere ndị agha nke 20 nke ndị agha, nke gara Mobile, Alabama iji kwadebe maka nkesa na Cuba n'oge Spanish-American War. O jere ozi na Cuba n'oge agha ahụ dum, gụnyere Siege nke Santiago. Morrison natara Citation Star maka mmeri ya n'oge
Agha El Caney. Mgbe e guzobere Silver Star award na 1918, a gbanwere kpakpando Morrison ka ọ bụrụ ihe nrite ọhụrụ.