Kammala jumla mai zuwa: Reddish an ba shi izini a cikin Second Australian Imperial Force tare da lambar sabis na NX105 a ranar 26 ga Maris 1940 kuma ya koma cikin Sojojin Sojojin Jama'a a ranar 15 ga Oktoba 1945. A matsayin kwamandan baturi a cikin &lt;a href="2/6th%20Field%20Regiment%20%28Australia%29"&gt;2/6th Field Regiment&lt;/a&gt;, 7th Division ya yi aiki a Falasdinu, Misira, Mersa-Matruh da Siriya. An ba Reddish lambar yabo ta Distinguished Service Order (DSO) don jagoranci yayin yakin Syria <unk> Lebanon. A matsayinsa na Laftanar Kanar ya jagoranci rundunarsa a kan Jafananci a yakin New Guinea, yana fada a cikin
Owen Stanley Ranges. (Wani mutum mai suna) Ya kuma shiga cikin ayyukan Salamaua<unk>Lae da Finschhafen. Tare da DSO, an ambace shi sau biyu a cikin Dispatches. Reddish ya ci gaba da zama mataimakin shugaban kasa a ranar 15 ga Afrilu, 1942 (ya zama ainihin a ranar 1 ga Satumba) da kuma colonel (Brigadier na wucin gadi) a ranar 17 ga Nuwamba, 1943. A lokacin aikinsa na yaƙi ya umurci &lt;a href="2/4th%20Field%20Regiment%20%28Australia%29"&gt;2/4th&lt;/a&gt; da &lt;a href="2/6th%20Field%20Regiment%20%28Australia%29"&gt;2/6th Field Regiments&lt;/a&gt;. Ya tashi ya zama Kwamandan Royal Artillery na 6th Division.