Solved: The Mystery of a Lost WWII Submarine and Its 80 Crew Members

Heading to Pearl Harbor

After conducting further maintenance on the Grayback at Portsmouth Naval Shipyard situated on the Maine coast, the Grayback set course for Pearl Harbor in 1942. February 15^thwas the date that the Grayback embarked on her first wartime patrol.

Heading To Pearl Harbor

Her First Wartime Patrol

The Grayback set sail into the Pacific and cruised along the island of Guam, which was where the Japanese had attacked at the end of 1941. In addition to this, the Grayback also traveled to the Saipan coast, which was also Japanese territory.

Her First Wartime Patrol