The aircraft carrier
You peek around the exposed side of the bridge and let a shot loose from your cannon, which sinks into the bottom of the carrier. The carrier is now slowly sinking, at this rate, the ship will likely take almost 24 hours to mostly sink. You reload and shoot another, which makes it's way perfectly into the space which would house an anchor, mutilating the steel opening and starting a fire somewhere inside the ship. Theres nothing else to do but