Ka kammala wannan jumla: A watan Mayu na 1897, Smith ya karbi kwamishinansa na biyu a cikin reshen Sojoji. An sanya shi zuwa 12th Infantry Regiment a Fort Niobrara, Nebraska. A lokacin Yakin Spain-Amurka, Smith ya yi aiki a Cuba tare da 12th Infantry. Ya shiga cikin
Yaƙin El Caney da Siege na Santiago. Bayan yakin, ya karbi gabatarwa ga na farko ta hanyar takaddama a matsayin girmamawa ga jaruntakarsa. Ya sami ci gaba zuwa na dindindin na farko a watan Maris na shekara ta 1899.