. . . . . . . . "USS Grayback (APSS-574)" . . . "1940-04-03" . "USS Grayback" . . . "8.2296" . . "4.2672" . . "1941-06-30" . . . . . . . . "USS ''Grayback'' (SS-208)" . . . "37.7808" . . . . "USS Grayback Sunk" . "USS ''Grayback''" . "USS Grayback (SS-208)" . . "Sunk by Japanese aircraft south ofOkinawa, 27 February 1944" . . . . . . . "1941-01-31" . "''Grayback''" . "Grayback" . . "93.5736" . "USS Grayback (SS-208)" .