The Seventh Tour
The Grayback was confronted with a Japanese convoy, which ultimately led to the U.S. sub sinking the Yodogawa Maru during its seventh tour. A few days after this attack, the Grayback torpedoed a Japanese destroyer, which caused tremendous damage. However, this wasn’t the last of the sub’s victories.
The Seventh Tour
Back to Pearl Harbor
The Grayback was later sent back to Pearl Harbor on September 12th, 1943, to prepare for another Pacific mission, which was her eighth mission in World War Two. It was two weeks after returning to Pearl Harbor that the sub sent off for Midway Atoll.
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Back To Pearl Harbor
