User blog comment:ProudAmerican1776/Coalition Page/@comment-13740085-20150306051812/@comment-25373667-20150306180902

I'd say one missile to kill a DD sized vessel, 2 for a cruiser, 3 for a large cruiser or small battleship, carrier, or battlecruiser, 4 for a large carrier, battlecruiser, or battleship, and 5-6 for every million toughness. Ex: 3.5 million=17-20 missiles.