Battleships in World War II part of Operation Neptune, in support of the D-Day landings in June 1944. D-Day also saw the deliberate sacrifice of two old dreadnoughts ( and ), which were scuttled as part of the breakwater around the Allied Mulberry harbours. The sinking of "Prince of Wales" and "Repulse" off the coast of Malaya in 1941 demonstrated that even the most modern battleships could not hold off aerial attacks without decent aerial defenses. The British HACS fire control system had been rendered inoperable by the extreme heat and humidity of the Malaya tropical climate, and the anti-aircraft artillery had managed to shoot
D-Day naval deceptions D-Day naval deceptions Operations Taxable, Glimmer and Big Drum were tactical military deceptions conducted on 6 June 1944 in support of the Allied landings in Normandy. The operations formed the naval component of Operation Bodyguard, a wider series of tactical and strategic deceptions surrounding the invasion. Small boats, along with aircraft from RAF Bomber Command, simulated invasion fleets approaching Cap d'Antifer, Pas-de-Calais and Normandy. Glimmer and Taxable played on the German belief, amplified by Allied deception efforts over the preceding months, that the main invasion force would land in the Calais region. Big Drum was positioned on the western flank