I've been told by several different people that in the Finnish service you are trained to battle against a nuke by first using your 'nuclear cloak' to wait for

I've been told by several different people that in the Finnish service you are trained to battle against a nuke by first using your 'nuclear cloak' to wait for the fallout. After that, you are told to take a pruce branch and use it to clean others' cloaks from the fallout. Then you keep on fighting.