The Office of Naval Research’s online magazine, “Future Force,” has some insights into how they are approaching the task of helping to design the Coast Guard’s new heavy icebreakers.
It also seems to indicate the Navy is increasingly thinking about operating surface ships in the Polar regions and that they are realizing, its very hard.
They are looking at the capabilities of non-ice-strengthened ships in polar regions and at the effects of ice loading. Considering we have been sending National Security Cutters into the Arctic their findings should also be of some interest to us.