Gato Class Submarine

USS FLASHER (SS-249) was officially credited with sinking more tonnage of Japanese shipping than any other submarine during World War II and was the only submarine officially credited with exceeding the 100,000 ton mark.

Fate: Decommissioned after earning six Battle Stars on the Asiatic-Pacific.
German Subs U-47 U-48 U-107 U-110 U-123 US Subs SS-199 SS-220 SS-238 SS-249 SS-306