Kammala jumla mai zuwa: A lokacin Yaƙin Duniya na Biyu, an tattara Bataliya ta 40, tare da ƙarfin da aka ba da izini tsakanin 800 da 900, don cikakken sabis a cikin 1943, amma ba a aika da shi zuwa kasashen waje don yin yaƙi ba saboda tanade-tanaden "Defense Act". Duk da haka, a karkashin umurnin Laftanar Kanar Thomas Bartley, ya kasance a kan tsari na yaƙi, a matsayin wani ɓangare na Brigade na 12, daban-daban da aka sanya wa Rukunin na 4 da na 12, kuma ya ɗauki ayyukan tsaro har zuwa 2 ga Mayu 1945 lokacin da aka haɗu da Battalion na 12 don zama &lt; a href="12th/40th%20Battalion%20%28Australia%29"&gt;12th/40th Battalion&lt;/a&gt;, wanda daga baya aka rushe shi a ranar 29 ga Mayu 1946. A shekara ta 1953, an sake fasalin Bataliya ta 40, ta ɗauki "Invercargill" a matsayin tafiyar ta, amma a cikin 1960 an haɗa shi cikin Royal Tasmania Regiment, yana samar da Kamfanin 'B' a cikin Battalion na 1 wanda aka tsara Pentropically, Royal Tasmania Regiment. A cikin 1961, an amince da bataliya tare da girmamawa ta yaƙi da aka bayar ga &lt;a href="2/40th%20Battalion%20%28Australia%29"&gt;2/40th Battalion&lt;/a&gt; <unk> a Na biyu Australian Imperial Force naúrar <unk> don sa hannu a cikin fadace-fadace a
Timor a lokacin yakin duniya na biyu. An sake tayar da bataliya a matsayin Bataliya ta 40, Royal Tasmania Regiment, a cikin 1972 amma shekaru uku bayan haka an rage shi zuwa kamfani mai zaman kansa. An sake haɗuwa tare da 12th, kanta kamfani mai zaman kanta, a cikin 1987 don samar da Battalion na 12th / 40th, Royal Tasmania Regiment, bataliya ta Rundunar Sojojin Australiya.