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"
Róisín-class patrol vessel Mauritian patrol vessel "Vigilant" launched in 1995, but without the helicopter deck and hangar facilities. The level of automation incorporated into the ships' systems allows the ships in the class to be operated with just 44 crew including 6 officers. The class is designed for winter North Atlantic operations. Róisín-class patrol vessel The "Róisín"-class large patrol vessel is a class of offshore patrol vessels (OPV) ordered by the Irish Naval Service from December 1997. The first vessel is named , which is also the name given to the class. Construction on this first vessel commenced in December 1997, and it