White Star Line "Olympic" class were to be the biggest and most luxurious ships in the world. The "Olympic" was the only ship of this class that was profitable for White Star. "Titanic" sank on her maiden voyage, while "Britannic" was requisitioned by the British government before she was fully fitted, and used as a hospital ship during World War I. "Britannic" hit an underwater mine, in the Kea Channel off the Greek island of Kea, and sank on the morning of 21 November 1916. Like many other shipping lines, the White Star Line suffered heavy losses during the First World War which
Russian hospital ship Vpered German Navy submarine SM "U-38" in the Black Sea between Rizeh and Batum. She sank shortly after. She was not carrying any wounded soldiers at the time, but seven people died in her sinking. Her survivors were saved a short time later. The Russian Empire claimed that Ottoman forces sank "Vperiod" rather than the Germans. The Ottoman Empire replied that both ships were sunk by mines. Russian hospital ship Vpered HS "Vpered" () was a Russian hospital ship that was torpedoed by the Imperial German Navy submarine SM "U-38" on 8 July 1916. SS "Vpered" was built at the Stabilimento