USS Fitzgerald

The Fitz is a standoff weapon system, it stays far in the safe rear. Steel plate armor was used when ships still lobbed 5-16 inch projectiles at each other from 20+ miles. Todays ships can repel threats at 100+ miles with defensive measures, tactics and aircraft. there is almost no need for armor as nothing is getting close enough. Speed and maneuverability are more important, and it looks like the Fitz didnt use either that night. There is not much you can prepare for a nuke tipped torpedo.