On return to Australia, Ide joined the Second Australian Imperial Force and was sent to Malaya with the &lt;a href="8th%20Division%20%28Australia%29%23Structure"&gt;2/10th Field Regiment&lt;/a&gt;. He was captured during the Fall of Singapore and interned in Changi Prison as a prisoner-of-war. Ide was later forced by the Japanese to work on the construction of the Burma Railway.