When was the the ship launched ,that along with the Tripitz and the Lützow was a target for  Operation Source ?
German battleship Scharnhorst Scharnhorst was a German capital ship, alternatively described as a battleship and battlecruiser, of Nazi Germany's "Kriegsmarine". She was the lead ship of her class, which included one other ship, "Gneisenau" . The ship was built at the "Kriegsmarinewerft" dockyard in Wilhelmshaven; she was laid down on 15 June 1935 and launched a year and four months later on 3 October 1936. Completed in January 1939, the ship was armed with a main battery of nine 28 cm (11 in) C/34 guns in three triple turrets. Plans to replace these weapons with six 38 cm (15 in) SK C/34 guns in twin turrets were never carried out.
German submarine U-2350 German submarine "U-2350" was a Type XXIII U-boat of Nazi Germany's "Kriegsmarine" during World War II. She was ordered on 20 September 1944, and was laid down on 28 September 1944 at Deutsche Werft, Hamburg, as yard number 504. She was launched on 22 November 1944 and commissioned under the command of "Oberleutnant zur See" Werner Schauer on 23 December 1944.