Decades Later
Combining the vessels was expected to be successful since they could join forces. This was imitated by German U-boats who had done this before and were successful. The method was successful and the three submarines managed to sink 38,000 tons of Japanese shipping and damaged 3,300 tons.

Decades Later
A Crucial Error
They used all their torpedoes and returned to Midway Atoll on November 10, 1943. The mission was such a success that Moore became the second Grayback skipper to receive a Navy Cross. Once they left Pearl Harbor once again, the Grayback was on its way for the East China Sea on its ninth patrol.

A Crucial Error