In late 1944, No. 540 Squadron RAF supported No. 5 Group RAFs bombing and sinking of the "Tirpitz". it covered northern Germany and Scandinavia until the end of the war. No. 544 Squadron RAF, another Coastal Command veteran, flew missions during Operation Frugal, flying Top Secret mail to the Soviet Union, during the Fourth Moscow Conference, 9 to 20 October 1944. The same operations were carried out during the Yalta Conference in February 1945. At the end of the war in May 1945, only No. 540 and 541 Squadrons were kept in being in the post-war RAF.