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
Olympic-class ocean liner minelayer submarine in a barrier off Kea in the Aegean Sea during World War I. "Olympic", the lead vessel, had a career spanning 24 years and was retired in 1934 and sold for scrapping in 1935. Although the two younger vessels did not have successful careers, they are among the most famous ocean liners ever built. Both "Olympic" and "Titanic" briefly enjoyed the distinction of being the largest ships in the world; "Olympic" would be the largest British-built ship in the world for over 20 years until the launch of in 1936. "Titanic"s story has been adapted into many books