Right now they own six Collins Class subs. and have crew for three. Right now they do not have enough military qualified ATCOs and are in serious trouble.
This problem and an immigration problem could easily be solved though.
Announce National Service! Over half of west Sydney would be back in Lebanon over night. Young idiots would be learning a disciplined life and not have time for knife fights outside pubs at OhforChristsakeWhatTimeIsIt?