There is no way any of this is going to fly with the cognitive level of our politicians concerned with short term political returns. Look at the funding cuts to DSTO... oops, sorry, now downsized to the DST 'Group'...
And 'ARSE' - tell me this site is a parody, please...
And even if Australia developed a space agency, I doubt we will be sending kangaroos to Mars. More likely, it will just be launching a few communication satellites (boring)
Thank god we ARE world class in astrophysics.