W-7-class minesweeper
JAPANESE MINESWEEPER CLASS
No.7 class minesweeper (1938); No.7-class minesweeper (1938); W-7-class minesweeper (1938)
The were a class of minesweepers of the Imperial Japanese Navy (IJN), serving during the Second Sino-Japanese War and World War II. Six vessels were built in 1937–1939 under the Maru 3 Keikaku.