The Sumisu was a Japanese minelayer of 720 tons displacement launched in 1939. The Sumisu was powered by two sets of diesel engines providing a top speed of 20 knots and was armed with two 4.7 inch guns. Found on http://www.probertencyclopaedia.com/browse/RSA.HTM
The Sumisu was a Japanese minelayer of 720 tons displacement launched in 1939. The Sumisu was powered by two sets of diesel engines providing a top speed of 20 knots and was armed with two 4.7 inch guns.