Saukko was a Finnish submarine launched in 1930. Designed to operated from Lake Ladoga, her tonnage was limited to 100 tonnes by the Treaty of Tartu. During the Winter War (1939–1940) and the Continuation War (1941–1944), the submarine operated in the Gulf of Finland. https://www.destinationsjourney.com/historical-military-photographs/finnish-submarine-saukko/ #FinnishNavy #FinnishSubmarine #FinnishSubmarineSaukko #Military #naval #Navy #SecondWorldWar #Ship #submarine #SubmarineSaukko #submersible #warfare #warship #WorldWartwo #WW2 #WWII