Telegram from the Admiralty to the Commander-in-Chief, Home Fleets [Admiral Sir George Callaghan] ordering the First Fleet to leave Portland [Dorset] for Scapa Flow [Orkney Islands, Scotland] with the destination to be kept secret except to flag and commanding officers. Initialled by the 1st Sea Lord [Prince Louis of Battenberg, later 1st Lord Milford Haven] and First Lord of the Admiralty [WSC]. [Carbon].