title: Soviet submarine Shch-307
text: # Soviet submarine Shch-307
  
  55°43′34″N 37°29′52″E﻿ / ﻿55.7261339°N 37.4978201°E﻿ / 55.7261339; 37.4978201
  
  Shch-307 was a Shchuka-class submarine of the Soviet Navy. Her keel was laid down by Baltiyskiy Zavod in Leningrad on 6 November 1933. She was launched on 1 August 1934 and commissioned on 4 August 1935 in the Baltic Fleet.
  
  ## Service history
  
  The submarine took part in the whole Baltic Sea campaigns (1939–45), surviving at the war. The most prominent action of the submarine was the sinking of the German submarine U-144 in 1941. After the war, she was turned into the floating charging station PZS-5, before being stricken: the conning tower was preserved as a memorial.
  
  