All large vessels like carriers and amphibs will have a "torpedo protection system", by which Intrepid apparently means the particular arrangement of below-waterline compartments on the sides of these ships such that they store fuel and water in bulkheads along the outer edges of the ship and make it more resistant to damage from a torpedo:Maybe a stupid question but what other large vessels have such a torpedo protection system?
An actual torpedo protection system would be something like this CAT system now being deployed aboard Nimitz class carriers as they come in for refit: