Ya kuma ga aikin aiki a yakin duniya na biyu, da farko a matsayin Babban Jami'in a kan jirgin ruwa. Daga 1940 ya kasance Mataimakin Darakta na Shirye-shiryen a Admiralty sannan, daga 1943, ya koma teku a matsayin Kwamandan jirgin ruwa na HMS "Mauritius", wanda ya kasance yana da hannu a cikin
Sicily saukowa, da Normandy saukowa, da kuma aiki a Audierne Bay. Daga Nuwamba 1944 zuwa Fabrairu 1946 an nada shi Daraktan Torpedoes da Mining.