yeah bro just move all the military stuff through siberian roads in the winter this is totally plausible
I’m sure Russia has absolutely no contingencies for the US invading via Alaska and never has.
Taking my fleet of hunting helicopters full of bourgeois nature chuds across the bearing strait
I’m imagining a Russian general venturing into some old dusty Soviet archive and finding an entire cabinet full of plans. Lol, plus there are almost certainly bases/fortifications built to counter this.
There is no reason to make a defensive line for this particular area. It is a thousand miles of woods, peats, and mountains. It is territory not worth fighting for.