1915 – 1916 / The third and largest of the Olympic-class trio, the Britannic would unfortunately never carry a single paying passenger. While serving as a hospital ship during World War I, she was sunk in the Mediterranean.
1922 – 1936 / Also known as Columbus / Originally a German ship, her construction was interrupted by World War I. Handed over to White Star after the war and renamed Homeric, it took several more years to complete her. She then served as a British ship for a little more than a decade, before being sent to the breakers.
1922 – 1952 / Also known as Admiral von Tirpitz, Tirpitz, and Empress of China (II) / Built and intended as a ship of the Hamburg-Amerika Line, this ship was yet another that was handed over to Britain following World War I. Joining the Canadian-Pacific Line, she then had a long career both as a civilian vessel and a troop transport.
1952 – Present Day / The ocean greyhound to rule them all, United States was the last liner to capture the Blue Riband. However, her career was soon put on life support with government subsidies, and she was retired in 1969. Astonishingly, she survives to this day, although a sad shadow of her former self and with a very uncertain future.