Mezue ahịrịokwu na-esonụ: N'oge Agha Ụwa nke Abụọ, ọ buru ụzọ nwaa isonye n'Òtù Ndị Agha Mmiri nke United States ma a jụrụ ya n'ihi na ọ naghị ahụcha ụzọ nke ọma, n'ihi ya, ọ sonyeere Ndị Agha Ụgbọelu nke United States dị ka onye ọrụ Nnyocha. Mgbe ọ natara ọrụ ya dị ka onye isi ndị agha na 1942, ọ gụsịrị ọzụzụ na ntọala dị nso na Miami, Florida na Harrisburg, Pennsylvania. E kenyere ya ọrụ na 319th Bombardment Group, nke kwagara England n'afọ ahụ. O jere ozi n'Ebe Ugwu Africa n'oge
Operation Torch ma mesịa kenye ya n'isi ụlọ ọrụ nke Northwest African Air Forces. N'ebe ahụ, Powell jere ozi na Sicily n'oge mwakpo ndị Allied nke Sicily.