When was the the ship launched ,that along with the Tripitz and the Lützow was a target for  Operation Source ?
Operation Source Operation Source was a series of attacks to neutralise the heavy German warships – "Tirpitz", "Scharnhorst" and "Lützow" – based in northern Norway, using X-class midget submarines.
Operation Star Operation Star or Operation Zvesda (Russian: Звезда , 'Star' ) was a Red Army offensive on the Eastern Front of World War II begun on 2 February 1943. The attack was the responsibility of the Voronezh Front under the command of Filipp Golikov. Its main objectives were the cities of Kharkov and Kursk. While initially successful in capturing both cities, the Soviets overextended themselves, allowing German Field Marshal Erich von Manstein to launch a counteroffensive and inflict a defeat on the Soviets in the Third Battle of Kharkov.