Kammala jumla mai zuwa: A shekara ta 1934 an mayar da Settle zuwa aikin jirgi, da farko a matsayin kyaftin din kasar Sin. A cikin 1944-1945 ya umurci jirgin ruwa mai nauyi, ya sami lambar Navy Cross don aikinsa a cikin
Yaƙin Surigao Strait. Bayan yakin duniya na biyu Mataimakin Admiral Settle ya gudanar da alƙawura na Navy a cikin Amurka da kuma kasashen waje, kuma an caje shi da ayyuka daga rarraba taimakon kasa da kasa zuwa Girka da Turkiyya don gudanar da gwaje-gwajen nukiliya a tsibirin Aleutian.