I've restarted my campaign about 5 times now so I finally settled on using an S boat out of manilla. I picked up a ship contact with my sd radar, can't pick up planes mind you. So I plot a course to intercept. One the target is in range I work my manual tdc, identify the first of 2 ships as a heavy cruiser and fire a 3 fish spread. 1 premature detonation 1 miss and 1 direct hit. I make some speed corrections because the target was now at a dead stop and fire four. Moments later a premature detonation. Damn it! So I reload and fire one. Direct hit ship right in the middle and blows her sky high. I'm thinking I'm gonna get some medals for this and I open up my captain log to see how much tonnage I racked up. I miss identified a lowly destroyer 2,000 tons hahahaha
oh well.