Rubuta ci gaba don wannan sakin layi - Bayan da ya zama kyaftin, Morrison ya koma kungiyar 20th Infantry Regiment, wanda ya tafi Mobile, Alabama a shirye-shiryen da za a tura zuwa Cuba a lokacin yakin Spain-American. Ya yi aiki a Cuba a duk lokacin yakin, ciki har da Siege na Santiago. Morrison ya sami lambar yabo ta Citation Star don ƙarfin hali a lokacin yakin El Caney
Ka yi haƙuri. Lokacin da aka kirkiro lambar yabo ta Silver Star a 1918, an canza tauraron ambaton Morrison zuwa sabon lambar yabo.