“The surface fleet, as it’s currently constructed, was determined at a time when Australia was still pursuing an [SSK]. Now that we are going to be operating [SSNs] that is a dramatically different capability, and it obviously has some implication in terms of the overall structure of the Navy….The second is that the DSR has observed that navies around the world are moving in the direction of having a larger number of smaller vessels. Now, with those two ideas in mind, we are thinking about the long-term structure of our surface fleet [into the 2030s].”