Keeping in mind northern or Arctic sovereignty issues, whether it's Russia's concerns over China and the silk road or innocent passage, I think the concern is that if China builds into these routes, it becomes much more difficult than when they no longer respect international treaties and the international order in terms of asking for permission and things like that.
How closely are you monitoring this? How much work is being done with our allies, for example, in Europe? You spoke earlier on Mr. Fisher's questions around Norway. What work is ongoing in terms of our allies in Europe? Again, it's that connection in making it across that would be concerning. What is the conversation there?
I know you can't necessarily get into threat assessment, but what is the mood and anticipation, given that this is building?