During World War II, the Gato system, and its successor, the Balao program, carried all of the duty regarding the submarine war in Pacific. These fresh fleet submarines had been indeed effective vessels that became fast, strong, well armed, and appropriate the long-range patrols essential to fight in the Pacific. They waged war dealing with the Axis abilities, amassing accurate paperwork of devastation and sheer killing energy that is unrivaled by every other land or ocean attack platform. These brand new fleet submarines enabled the Navy to move its submarine doctrine from seaside security to start ocean assaults on enemy warships and convoys critical to enemy logistical support. This doctrine of forward presence and hit warfare by the submarine remains today. .