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Another JANAC Blooper

The JANAC postwar assessment scored the USS Snook (SS-279) with 75,473 tons sunk in seventeen enemy vessels. One of them was the 6,886-ton cargo vessel Arisan Maru. However, the analysis conducted by John D. Alden and Craig R. McDonald in United States and Allied Submarine Successes in the Pacific and Far East During World War II (Fourth Edition) disproves the credit for the Arisan Maru. The evidence shows she was sunk by the USS Shark (SS-314). Therefore, the Snook’s JANAC score is overstated by one vessel and 6,886 tons. The Shark’s JANAC score is understated by the same amount.

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