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.
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.