 Complete the following phrase:  Promoted to Konteradmiral Rear Admiral, on Christmas Day, 25 December 1943, Bey led a task force consisting of the battleship Scharnhorst and the destroyers Z29, Z30, Z33, Z34 and Z38 out of Alta Fjord in Operation Ostfront. The first and only surface sortie ordered by Grand Admiral Karl Dönitz, Beys objective was to intercept the Allied 