The USS F-1 submarine, sunk in 1917, has been discovered and mapped in 3D using advanced technology at a depth of 1,300 feet.
The PBM Mariner served in anti-submarine patrols, convoy escort, and rescue missions, yet was overshadowed by the Catalina.
In the Solomon Islands, the decorated destroyer, USS O'Bannon, cuts through black Pacific waters, closing in within 100 yards of a Japanese submarine. But now, Lucky O is a little too close. MacDonald ...