Nelson with four Montanas at Denmark Strait

What happens if Nelson appears at Denmark Strait with four Montana-class battleships?

Bismarck and Prinz Eugen are overwhelmed; Nelson need only authorize the already trained modern force to open fire.

Four Montana-class battleships would bring forty-eight 16-inch/50 guns, super-heavy shells, radar direction, and enough speed to prevent Bismarck and Prinz Eugen from escaping. The German ships would be destroyed or forced into port before the historical pursuit could develop. Nelson would still need modern education for later operations, but at an engagement already in range his immediate responsibility is to order fire rather than aim each gun. Flag captains, gunnery officers, and ship staffs would translate that command into coordinated salvos. The scenario therefore distinguishes an admiral's operational decision from the specialist knowledge embedded in a modern fighting organization.