Kammala jumla mai zuwa: Bayan barkewar Yaƙin Duniya na Biyu, Honner ya shiga cikin Rundunar Sojojin Australiya ta Biyu (2nd AIF) a ranar 24 ga Oktoba, 1939. A watan Disamba na 1939 ya dauki umurnin 'C' Kamfanin na &lt;a href="2/11th%20Battalion%20%28Australia%29"&gt;2/11th Battalion&lt;/a&gt;, wani battalion na Yammacin Ostiraliya, tare da mukamin kyaftin. Honner da rundunarsa sun tashi zuwa Gabas ta Tsakiya a watan Afrilu na 1940, suna isa watan da ya biyo baya. Bayan da aka horar da shi a Falasdinu, kamfanin Honner ya ci gaba da yin yaƙi a yaƙe-yaƙe na Yankin Yammacin Yammacin Yammacin Italiya a
Bardia, Tobruk da Derna kafin a tura su zuwa Girka bayan mamayewar Jamus a watan Afrilu 1941. A Girka, Honner ya jagoranci mutanensa ta hanyar jerin fadace-fadace yayin da sojojin Jamus suka fi karfi. Daga baya aka kwashe su zuwa Crete inda suka shiga cikin mummunan fada a kusa da Retimo. Honner ya jagoranci rukuni a fadin tsibirin don kauce wa kamawa kuma, bayan ganawa da jirgin ruwa na Royal Navy, an kwashe su zuwa Alexandria. Daga baya an daukaka shi zuwa Manjo kuma, saboda jagorancinsa a lokacin fada a kusa da Thermopylae a farkon yakin Girka, an ba shi lambar yabo ta Soja.