> Article 6 states that the treaty covers only member states' territories in Europe and North America, Turkey and islands in the North Atlantic north of the Tropic of Cancer, plus French Algeria. It was the opinion in August 1965 of the US State Department, the US Defense Department and the legal division of NATO that an attack on the U.S. state of Hawaii would not trigger the treaty, but an attack on the other 49 would.
https://en.wikipedia.org/wiki/North_Atlantic_Treaty#Article_...
> Article 6 states that the treaty covers only member states' territories in Europe and North America, Turkey and islands in the North Atlantic north of the Tropic of Cancer, plus French Algeria. It was the opinion in August 1965 of the US State Department, the US Defense Department and the legal division of NATO that an attack on the U.S. state of Hawaii would not trigger the treaty, but an attack on the other 49 would.