>>63858837
a modern frigate isn't going to sink, but that's an improper comparison; modern frigates aren't armoured like ironclads

that said, fifty 18th century cannonballs in the side of e.g. a Perry-class frigate isn't going to sink it, unless they have the damage-control capabilities of the Russian Navy. sure, fifty 6" balls of metal will kill some sailors and let in some water, but it won't explode and set fire to anything, and a modern warship can handle that easily