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Formed in August 1914 from the First Fleet and part of the Second Fleet of the Home Fleets, the Grand Fleet included 25–35 modern capital ships. It was commanded initially by Admiral Sir John Jellicoe.
The 10th Cruiser Squadron carried out the Northern Patrol between Shetland and Norway and cruisers from Cromarty and Rosyth operated a second line (and screened the fleet) in enforcing the blockade of Germany. The administrative complications of the distant blockade across the northern exits of the North Sea overwhelmed the capacity of Vice Admiral Francis Miller, the Base Admiral in Chief from 7 August 1914, devolving on the commander in chief, Admiral John Jellicoe. To relieve the administrative burdens on Miller and Jellicoe, the post of the Admiral of the Orkneys and Shetlands was created to oversee the defence of the islands, naval bases and shore duties. Vice-Admiral Stanley Colville was appointed to the command (7 September 1914 – 19 January 1916) with Miller under his authority.
Admiral Jellicoe was significantly concerned about the possibility of submarine or destroyer attacks on Scapa Flow. While the Grand Fleet spent almost the first year of the war patrolling the west coast of the British Isles, their base at Scapa was defensively reinforced, beginning with over sixty blockships sunk in the many entrance channels between the southern islands to enable the use of submarine nets and booms. These blocked approaches were backed by minefields, artillery and concrete barriers.
Admiral Jellicoe was succeeded by Admiral Sir David Beatty in December 1916.
After the Battle of Jutland, the German High Seas Fleet rarely ventured out of its bases at Wilhelmshaven and Kiel in the last two years of the war to engage with the British fleet.
During April 1919 the Grand Fleet was disbanded, with much of its strength forming a new Atlantic Fleet.
Most of the interned German warships were later scuttled despite Royal Navy attempts to save them.
Order of battle
Not all the Grand Fleet was available for use at any one time, because ships required maintenance and repairs. At the time of the Battle of Jutland in May 1916, it had 32 dreadnought and super-dreadnought battleships. Of these, 28 were in the order of battle at Jutland.
The actual strength of the fleet varied through the war as new ships were built and others were transferred or sunk but the number of battleships steadily increased, adding to the margin of superiority over the German fleet. After the USA joined the war, the US Battleship Division Nine was attached to the Grand Fleet as the Sixth Battle Squadron, adding four, later five, dreadnoughtbattleships.
The order of battle of the Grand Fleet at the end of the war in 1918 included 35 dreadnought battleships and 11 battlecruisers. Twenty ships had been completed since the outbreak of war. Five of these ships were from the United States Navy and one HMAS Australia from the Royal Australian Navy. It had five battle squadrons, each of four to ten capital ships, plus the flagship HMS Queen Elizabeth, three cruiser squadrons, the "Flying Squadron" of seaplane carriers, and six destroyer flotillas, with another destroyer flotilla and three minesweeper flotillas under its command. The Battle Cruiser Force was two battle squadrons and the flagship HMS Lion (9 ships in total), and five cruiser squadrons (21 ships).
Notes
the Admiral of the Coast of Scotland was a separate authority which excluded the islands.
Two of these were the very lightly armoured Courageous-class battlecruiser.
Although built for defence of the dominions and funded by New Zealand, HMS New Zealand was operated by the Royal Navy.
Tarrant, V. E. (1995). Jutland: The German Perspective. London: Cassell Military Paperbacks. p. 282. ISBN0-304-35848-7.
Heathcote, p. 26
van der Vat, Dan (2007) . The Grand Scuttle: The Sinking of the German Fleet at Scapa Flow in 1919. Edinburgh: Birlinn Ltd. pp. 163–171. ISBN978-1-84341-038-6.
Corbett, J. S. (1920a). Naval Operations. History of the Great War. Vol. I: To the Battle of the Falklands 1914. London: Longmans, Green & Co. OCLC929536844 – via The Internet Archive.
Corbett, J. S. (1920b). Naval Operations. History of the Great War. Vol. II (1921 printing ed.). London: Longmans, Green & Co. OCLC754160010 – via The Internet Archive.
Corbett, J. S. (1923). Naval Operations. History of the Great War. Vol. III. London: Longmans, Green & Co. OCLC867968279 – via The Internet Archive.
Heathcote, T. A. (2002). British Admirals of the Fleet 1734–1995: A Biographical Dictionary. Barnsley, South Yorkshire: Leo Cooper. ISBN0-85052-835-6.
Jones, Jerry (1998). U.S. Battleship Operations in World War I. Naval Institute Press. ISBN978-1-55750-411-1.