Went on single mission head to the Luzon Straits on unlimited fuel,, set speed at 15knots was harassed by a Betty Bomber AA dispatched the pest,, came across a small Task Force the twin 40 dispatched 3 destroyers then the phone rang the end . I'm torn whether or not to put the single 40 back on for historical and realism value.,. seems those tin cans are too thin skinned.