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.
USS Shipley Bay USS "Shipley Bay" (CVE-85) was an "Casablanca" class escort carrier of the United States Navy. She was laid down under Maritime Commission contract (MC hull 1122) on 22 November 1943 by Kaiser Co., Inc., Vancouver, Washington; launched on 12 February 1944; sponsored by Mrs. L. B. Richardson; and commissioned on 21 March 1944, Captain Edgar T. Neale in command.