Naval War College Review


This article suggests a new perspective on the old problem of protecting ships at sea, for two reasons. First, although screen tactics and other defensive measures have been developed and used for many years, this new perspective will be useful in addressing two developments since the late nineteenth century: attackers are no longer just other ships but also aircraft, submarines, and, recently, missiles with very long ranges launched from the land; also, torpedo boats, coastal submarines, and mines have complicated operations in congested and archipelagic waters.