Faatumu le fuaiupu lenei: I le aso 13 o Oketopa 1939, na auai ai Campbell i le Second Australian Imperial Force (AIF), ma na tuuina atu ia te ia le numera o le auaunaga a le AIF VX21. Na muamua tofia o ia i le &lt;a href="2/1st%20Battalion%20%28Australia%29"&gt;2/1st Battalion&lt;/a&gt; o se Major, ae na avea ma Brigade Major o le 16th Brigade i lena lava aso. Na avea o ia ma Tausala o le Pologa mo Auaunaga Taʻutaʻua ona o lana vaega i le
Taua o Bardia. O lana faamatalaga e faapea: