RMS Olympic to Belfast where the passengers disembarked. Following "Olympic"s return to Britain, the White Star Line intended to lay her up in Belfast until the war was over, but in May 1915 she was requisitioned by the Admiralty, to be used as a troop transport, along with the Cunard liners and . The Admiralty had initially been reluctant to use large ocean liners as troop transports because of their vulnerability to enemy attack, however a shortage of ships gave them little choice. At the same time, "Olympic"s other sister ship "Britannic", which had not yet been completed, was requisitioned as a
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