. . . . . "W-7 Class minesweeper (W-7)" . . . . . "Struck by submarine at 11\u00B034'N, 93\u00B008'E." . "W-7" . . . "7.9" . . "Japanese minesweeper No. 7 (1938)" . "Japanese minesweeper No. 7 (1938)" . "No. W-7" . . . . . . . . . . "1937-10-27" . . "''No.7''" . "''W-7''" . "72.2" . . . "1938-06-16" . "''No. 7''" . "1944-06-10" . . .