Tuhia he tomokanga mo tenei waahanga - I muri i tana whakatairanga ki te rangatira, ka uru atu a Morrison ki te 20th Infantry Regiment, i haere ki Mobile, Alabama hei whakarite mo te tohatoha ki Cuba i te Pakanga Paniora-Amerika. I mahi ia i Cuba puta noa i te pakanga, tae atu ki te Siege o Santiago. I whakawhiwhia a Morrison ki te Whetu Whakataunga mo te maia i te Pakanga o El Caney
He aha? I te wa i hangaia ai te tohu Silver Star i te tau 1918, ka hurihia te whetu whakahua a Morrison ki te tohu hou.