On the business end of the mod 2's was a 1200 lb warhead! That could bust a light cruiser in half! I don't know if it was the best, but it is a contender.

The Indianapolis took 2 and sank in 12 minutes! A

to that crew!
For reeking havoc, the German T1 Lut and Fat with the magnetic pistol deserve an honorable mention as does the Cutie