When was the navy that was donated the LKL "Kursis" (M51) by Germany established?
Lithuanian Naval Force The Lithuanian Navy is the naval arm of the Lithuanian Armed Forces. Though formally established on 1 August 1935 its roots stretch back as far as naval engagements on the Baltic Sea in the Medieval period. Lithuanian naval units saw some service with Soviet naval forces during World War II, and the navy has been re-established in its own right and continues to expand since Lithuania's independence in 1990.
Type 41 class patrol boat The "Type 41" Class was a type of patrol boats of the Military of Switzerland, commissioned during the Second World War to patrol the border lakes of Switzerland. The class comprised nine units, commissioned between 1941 and 1944 in three series: "Thun" and "Brienz" in December 1941, "Sargans", "Schwyz" and "Unterwalden" in July 1943, and "Spiez", "Bönigen" and "Brunnen" in April 1944; Furthermore, the prototype "Uri" was also commissioned. They remained in service until late 1983, when they were replaced by the more modern Type 80 ("Aquarius" class). In 1962, the units of the class were upgraded with an electric generator, radars and radios, and had their armament upgraded: the Type 41 anti-tank rifle at the bow was replaced by a 20mm autocannon, and the twin anti-air MG 38 machine guns at the stern were replaced by an MG 51 machine gun.