Kammala jumla mai zuwa: A lokacin yakin duniya na biyu, Howell ya sake ba da sabis kuma ya shiga rundunar sojojin Australia a ranar 14 ga Oktoba, 1939. An tura shi zuwa Gidan Yankin Gabas, Paddington, an ba shi matsayin matsayin ma'aikacin ma'aikata, amma ya sami aikin ma'aikata ya zama mai ban sha'awa kuma ya nemi sakin sa a watan Fabrairun 1941. A watan Agustan 1944, Howell ya shiga cikin sojojin Amurka don yin aiki a cikin Hukumar Kula da Sufurin Jiragen Ruwa na Amurka, kuma ta haka ne ya iya shiga cikin
mamayewar Leyte a farkon yakin Philippines.