Returning to Australia, Wilton became General Staff Officer Grade 1 in Major General Stanley Savige's 3rd Division in August 1942 [REF].
In September 1943, following his service with 3rd Division, Wilton was posted to Washington, D.C. as General Staff Officer, Australian Military Mission; he spent November and December 1944 in Europe, observing the Allies' military organisation [REF].