Japanese minesweeper W-9

Three Japanese minesweepers have been named No.9 minesweeper (第九号掃海艇):


 * JAPANESE MINESWEEPER No. 9, ex-JAPANESE DESTROYER Ayanami, a Kamikaze-class destroyer (1905) of the Imperial Japanese Navy in World War I
 * JAPANESE MINESWEEPER No. 9, ex-JAPANESE DESTROYER Nara, an Enoki-class destroyer of the Imperial Japanese Navy in World War I
 * JAPANESE MINESWEEPER No. 9, a No.7-class minesweeper (1938) of the Imperial Japanese Navy in World War II