''Why would you assume coastal protection ?. I would encourage...

''Why would you assume coastal protection ?. I would encourage you to think outside of the box. What is Australia most vulnerable to ?''

surely with a monstrously long coastline - coastal protection must be at the top of the list


'' Think communication cables perhaps, maybe oil supplies''

how would a nuclear submarine protect undersea communication cables?

sit on the bottom waiting for a diver with big tin snips?