I gather from this that it is perhaps relatively easy for anyone wanting to traverse the Arctic undetected; if their intelligence is good and they don't emit radio traffic and they follow whatever measures they have to avoid detection, it would be fairly easy for a sophisticated country to traverse the Arctic without being detected. Am I right about that? I think the Texas demonstrated that they could get to where they got without anyone knowing they were there until they surfaced.
How many countries have a capability of operating in the Arctic, say, through the Northwest Passage or under ice? Could you tell us that? Are there a lot? How many of them are allies? How many of them are countries other than our allies?