Kaluen JG,
I hate telling you this
BUT last patrol I sank 2 Bogue class carriers, 1 TF was in Grid BE and the other DO between Puerto Rico and Dominican Rep. Was Aug 1943. Both had a 5-7DD screen. They are not alot of tonnage.
The juice definitely didnt seem worth the squeeze.
But its always fun to sink some of the different types of warships.