Olympic-class ocean liner so, the "Olympic"-class ships were built to surpass rival Cunard's largest ships, "Lusitania" and "Mauretania", in size and luxury. "Olympic", along with "Titanic" and the soon to be built "Britannic", were intended to be the largest and most luxurious ships to operate on the North Atlantic, but not the fastest, as the White Star Line had already switched from high speed to size and luxury. The three vessels were designed by Thomas Andrews and Alexander Carlisle. Construction of "Olympic" started in December 1908 and "Titanic" in March 1909. The two ships were built side by side. The construction of "Britannic"
Cybele-class mine destructor vessel Cybele-class mine destructor vessel The "Cybele" class was a class of trimaran ships, constructed by the Royal Navy during World War II for the purpose of clearing minefields. Referred to as Mine Destructor Vessels, two ships of the class, and were built in 1944; one was lost following D-Day, while the other survived the war only to be scrapped shortly thereafter. Officially designated as mine destructor vessels, the "Cybele" class was a large trimaran vessel, constructed using a steel lattice truss framework. They were intended to be towed through minefields that used pressure mines, creating a pressure wave that would