Grand Fleet Grand Fleet The Grand Fleet was the main fleet of the Royal Navy during the First World War. Formed in August 1914 from the First Fleet and elements of the Second Fleet of the Home Fleets, the Grand Fleet included 25–35 state-of-the-art capital ships. It was initially commanded by Admiral Sir John Jellicoe. He was succeeded by Admiral Sir David Beatty in December 1916. The Grand Fleet was based first at Scapa Flow in the Orkney Islands and later at Rosyth on the Firth of Forth. It took part in the biggest fleet action of the war – the Battle
British Empire in World War II United States for support. Although the British Empire and the Commonwealth countries all emerged from the war as victors, and the conquered territories were returned to British rule, the costs of the war and the nationalist fervour that it had stoked became a catalyst for the decolonisation which took place in the following decades. From 1923, defence of British colonies and protectorates in East Asia and Southeast Asia was centred on the "Singapore strategy". This made the assumption that Britain could send a fleet to its naval base in Singapore within two or three days of a Japanese attack, while