Great Britain's Last Super Battleship Was a True Monster Warship

Robert Farley

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It might not have been able to take on America or Japan's monster battleships, the pride of the UK could scrap with the best of them.

In an effort to take advantage of the superiority of the Royal Navy in World War I, First Sea Lord John “Jackie” Fisher developed a scheme to land British troops in Pomerania, thus directly threatening Berlin and forcing the Germans to withdraw troops from the Western Front. To this end, Fisher authorized design of a group of shallow-draft “large light cruisers” that would carry guns heavy enough to support the landings. HMS Courageous and HMS Glorious would each carry four fifteen-inch guns in two twin turrets, while HMS Furious was expected to carry two eighteen-inch guns in single turrets. The light cruiser designation, incidentally, enabled Fisher to evade government restrictions on the construction of new battlecruisers.

As it happened, the Baltic landings never proved practical, and Courageous and Glorious joined the Grand Fleet as battlecruisers. After the war, the Royal Navy removed the heavy guns and converted all three ships into aircraft carriers, a procedure enabled by the Washington Naval Treaty. All three served in World War II, although only Furious survived the conflict.

The conversions left four twin fifteen-inch turrets lying about, guns that couldn’t be used on new ships because of the Washington Naval Treaty. Gun turrets are among the most expensive and difficult to construct parts of a battleship, however, so they were retained in the hope of future use. The British fifteen-inch/38-caliber gun was regarded as a great success, and suitable for use in later ships.

The Royal Navy’s first post–London Treaty battleships were the five ships of the King George V class, which served with honor in every theater of World War II. The Navy intended to follow these up with the Lions, which would have represented the apogee of British battleship design. Each of the six ships would have displaced 43,000 tons and carried nine sixteen-inch guns in three triple turrets. The Lions would have carried heavier armor than the American Iowa class, with a design speed of twenty-eight knots. However, the war intervened, and the Admiralty determined that smaller ships should take precedence, shifting resources allocated to the Lions to aircraft carriers and antisubmarine craft.

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