Dutch submarine Hr.Ms.O 16 fitting out in late 1936 2158_017475
The Dutch submarine Hr.Ms. O 16 fitting out in late 1936. Note the masked 88mm gun forward of her sail. At the time of her commissioning, she was the largest submarine in the Dutch Navy. Sent to the Dutch East Indies in 1939, when war came with Japan two years later, she sank three Japanese troopships and damaged two others before she was sunk by a mine in December 1941. NIMH