Ka kammala wannan magana: Sa'ad da aka soma Yaƙin Duniya na Biyu, Whiteley ya ba da kansa don ya shiga rundunar sojan sama na Royal Air Force. Amma, sun ƙi amincewa da shi domin idanunsa ba su da kyau. Daga nan sai ya nemi shiga Royal Marines, wanda ya yarda da shi, kuma ya fara horar da jami'in. An ba shi izini a matsayin mai kula da na biyu a ranar 1 ga Janairu, 1940. A ranar 20 ga Maris, 1942, an tabbatar da aikinsa kuma an ba shi mukamin Laftanar tare da tsufa daga ranar 14 ga Yuni, 1941. A lokacin yakin, ya yi aiki a kan jirgin ruwa, wani jirgin ruwa, da kuma jirgin ruwa, wani jirgin ruwa mai haske. A lokacin karshen yakin, ya yi aiki tare da British Pacific Fleet wanda ke yaƙi da Jafananci. Zai iya da'awar cewa ya harbe wasu daga cikin harbe-harben karshe na yakin: a ranar 15 ga Agusta, 1945, yayin da wani jirgin saman Japan ya kai hari a kan jirginsa, yana kokarin harba shi lokacin da labarin da ya faru na jirgin ya faru.
An samu yarjejeniyar tsagaita wuta da Japan.