The U.S. government, encouraged by the high success rate (83 percent) of U.S. Navy Aegis equipped ships using SM-3 missiles to shoot down ballistic missiles, has decided to expand the number of SM-3 equipped ships. Just this year, the navy completed equipping 18 ships with the Aegis anti-missile system, and that number may soon more than triple. This is part of a larger trend. Last year, the navy cancelled its expensive new DDG-1000 class of destroyers, partly because these ships were built to support amphibious and coastal operations, and did not have a radar that could easily be converted to...