Very sad but inevitable! They did their job and will always be remembered as the boys that beat Rommel and the Afrika Corps to a standstill.
Check their wartime efforts here: http://ww2chat.com/forums/allied-forces/1228-australian-9th-division-battalions.html#post8452
I attended a Rats memorial service in Kings Park last year. A more jovial bunch of chaps I have never come across.