North Korea Is Building Its Own Lethal 'Swarms on the Water' | The National Interest Blog: "Other navies are looking at other solutions. In particular, the U.S. Navy is worried about swarm attacks, given that Iran will also use flotillas of small, fast boats to take on American warships in the narrow waters of the Persian Gulf. The navy recently test-fired a modified U.S. Army Hellfire antitank missile, reconfigured as an antiship missile, from a Littoral Combat Ship. The navy has also tested 57mm shipboard cannon and even robotic swarm craft to intercept enemy fast attack craft.
If South Korea goes to war with its northern neighbor, one of the threats that it will face is swarms of small naval craft armed with missiles and torpedoes." Read More