This Unruya class aircraft carrier, above, is pictured in Sasebo Bay in 1945. Note the submarine on her port side with yet more submarines in the middle ground.
The Kongō class of 4 battlecruiser / battleship (26,230 ton, length 728 ft), were the most active capital ships of the Japanese Navy during World War II. Only the Kongō was built in England (Barrow-in-Furness, Aug 1913). She was active during World War I and afterwards as one of the fastest units, at 27 knots, of Japan’s battle fleet.