 Dorey akafamba nechikepe nechikwata ichi kuenda kuCuba muna April 1898 munguva yeHondo yeSpain neAmerica uye akatora chikamu muHondo yeEl Caney neSiege yeSantiagomuna July wegore iroro. Akazotora chikamu muHondo yePhilippine-American uye akashanda se4th Infantry Regiments Aide-de-Camp muhondo dzekurwisa Moros kuZamboanga neManila. Dorey akarayira semutungamiriri webato revaPhilippine Scouts kuMindanao uye akagadzwa Aide-de-Camp kuna Major general Leonard Wood, uyo akashanda segweta reMoro Province, nhare yekumukira kwevaMuslim. Dorey akagamuchira menduru yake yokutanga yeSilver Star nokuda kwoushingi hwake muPhilippines. 