Silver Tankard Presented to 543 Squadron RAF by Chief of Naval Staff Admiral Earl Mountbatten.Silver Tankard Presented to 543 Squadron RAF by Chief of Naval Staff Admiral Earl Mountbatten. This presentation was to commemorate the link between HMS Valiant and the new RAF high altitude bomber, the Vickers Valiant. In 1956 three silver tankards were presented to the Commanding Officers of the first three Valiant squadrons, of which 543 was one. The presentation was made by Admiral the Earl Mountbatten of Burma at Headquarters Bomber Command, the