HMS Invincible, Lead ship of the Invincible Class. Laid down by Armstrong Whitworth on 02/04/06 and commissioned 20/03/09, The first Battlecruiser to be built by any country, In WW I after seeing her first action at Heligoland Bight, she & her sister HMS Inflexible sank the armoured cruisers Scharnhorst & Gneisenau at the Falkland Islands, only to meet her own demise with the loss of 1026 crew at Jutland after the magazine of her Q turret was hit by a shell and exploded. . Man Of War, Turret, Navy Ships, Royal Navy, Battleship, British Royals, Warfare, Naval, Sailing Ships