>>63800812
>Maginot line is too expensive and elaborate. Minefields, barbed wire, anti-tank ditches and dragon's teeth will be enough.

It's that and HIMARS and air power to pummel attacking Russian forces. Slow them down enough and them relentlessly pummel them. They have no strategic depth to fall down on so they need to hit them as hard as they can with everything. We saw Russians get bogged down trying to invade in new directions, and the same would happen in the Baltics.