Record of Messages bearing on the Operation

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Messages are arranged in chronological order of Time of Despatch, all times being G.M.T. Complete reliance, however, cannot be placed on the absolute accuracy of these times owing to the differences of ships' clocks and the difficulties experienced in logging signals in action, 2. The following types have been used for printing :

On 30th May 1916 the Admiralty received news which pointed to early activity on the part of the German Fleet. The Commander-in-Chief, Grand Fleet, and the Vice-Admiral Commanding Battle Cruiser Fleet were informed accordingly by telegram. The Admiralty also informed the Commander in -Chief that eight enemy submarines, which they had reason to believe had recently sailed from German ports, were probably in the North Sea. Admiralty telegram No. 434 of 30th May 1916, time of origin 1740, sent to the Commander-in- Chief and repeated to the Vice Admiral Commanding Battle Cruiser Fleet, contained the following instructions :- " You should concentrate to Eastward of Long Forties ready for eventualities."