flooded is called a three-compartment ship, and will withstand damage to one transverse bulkhead.

After the ''Titanic'' sinking, safety standards recommended spacing transverse bulkheads so no single point of damage would either submerge the end of the upper bulkhead deck or reduce bulkhead deck freeboard to less than 3 in. Wartime experience with torpedo damage indicated the typical damage diameter of 35 ft defined a practical minimum distance