Mezue ahịrịokwu na-esonụ: Mgbe Agha Spen na America tiwapụrụ, Upton sonyeere usuu ndị agha United States. O jere ozi dịka onye agha na ụlọ ọrụ H nke 2nd Oregon Volunteer Infantry Regiment ma sonye na njide nke Guam na
Mgbasa ozi ndị Philippines. Upton nọgidere na Oregon National Guard mgbe agha biri. Ka ọ na-erule afọ 1911, ọ na-eje ozi dịka onye isi ndị isi nke 3rd Regiment nke Oregon Infantry.