 Complete the following phrase:  Schiff 50 conducted a number of minelaying operations in the Aegean, including off the Dardanelles, off Piraeus, and in the Bay of Salonika, generally operating in company with Bulgaria. She also participated in minelaying off the west coast of Greece alongside the Italian minelayers and . After the surrender of Italy in September 1943, she was used to carry troops to capture the Greek island of Kos from a combined British and Italian force on 23 October in Operation Eisbär, and then complete another minelaying mission in the Aegean. Schiff 50 was attacked by four British Royal Air Force Bristol Beaufighters off the island of Syros in the Cyclades on 26 September, but incurred only slight damage from their guns. On 8 October she was unsuccessfully attacked by the British submarine although her companion, Bulgaria, was sunk. Schiff 50s most successful operation was a minefield laid just east of the islands of Pserimos and Kalymnos in the Dodecanese to protect German troops during the 