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This is the Bering Sea, where the U.S. maintains one airbase on a small island and another contact base for special operations.

The challenge, however, is that the contest is not limited or will not be limited to Europe.

Finland and Sweden coming in to NATO reminds us the Arctic Ocean is within reach from their point of view.

But this is the other side of the world, the Bering Sea and China and Russia working together as the Arctic Ocean opens.

Is NATO ready for this, Jeff? Does this reflect your time in NATO to think about the Arctic as a battle zone?

Less so, John. There was an awful lot of talk about conflict in the Arctic during my time in NATO.

People forget that the Norwegians, for example, have a border with Russia at the very, very, or the Soviet Union at the very northern point of that country.

And we proved this in an awful lot of military hardware in Norway for contingency operations.

Most notably, it was the Marine Corps. A lot of concern as well, of course, about the so-called GI-UK gap between Greenland and Iceland, which was the area we knew Soviet submarines would come out from their ports in the northern part of the Soviet Union.

So we look at that area very closely for surveillance in order to prevent that if in fact a major conflict occurred.

But I think NATO, while it may be preparing for that conflict in its area, that being Norway, Sweden, Finland, for example, and that point of the Arctic, don't forget.

People ignore the fact that Canada has an enormous Arctic border.

But when you get out in the far regions of Alaska, the Bering Sea and the like, I think for NATO it's ability to project military power, sustain military power, and assist the United States and the Canadians.

In that particular part of the defense deterrence equation, it's going to be stretched.

And we're going to look for other allies. Most notably, I think the Japanese to assist us.

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