Battleship HMS Royal Oak

German submarine U-47, commanded by G. Prien, after undetected penetration into the Royal Navy Scapa Flow base, sent her down the bottom of the ocean together with the majority of her crew. This was one of the most painful losses of the British fleet during the war.
>"R" battleships have not participated in many of the naval operations of the Great War, as for Royal Oak she took her part in the battle of Jutland.

Between the wars HMS Royal Oak was incorporated into the Atlantic Fleet and Home Fleet. She operated on the Mediterranean Sea during the Spanish Civil War.