Rubuta ci gaba don wannan sakin layi - A lokacin Yaƙin Duniya na II Grahamslaw ya shiga Australian New Guinea Administrative Unit kuma an nada shi a matsayin jami'in gundumar gundumar Arewa. Bayan ya yi tafiya daga arewa zuwa gabar kudancin New Guinea shi kadai bayan mamayewar Japan, ya taimaka wajen shirya sojojin Ostiraliya don yakin Kokoda Track
Ka yi haƙuri. An inganta shi na ɗan lokaci zuwa Manjo kuma an ba shi lambar yabo ta OBE a 1943 saboda ƙoƙarinsa a lokacin Yaƙin Buna<unk>Gona. A cikin 1943 an canza shi zuwa Sojojin Masarautar Australiya, kuma a farkon 1944 an ba shi alhakin gundumar Lakekaum, kafin ya karɓi ikon gudanar da yanki mafi girma daga baya a cikin shekarar. A shekarar 1945 an daukaka shi zuwa Laftanar Kanal, ya kasance a cikin sojojin har sai an sake shi a watan Fabrairun 1946.