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
RMS Olympic York on "Olympic" on 21 July 1920 on the same voyage on which Douglas Fairbanks and Mary Pickford were celebrating their honeymoon. One of the attractions of "Olympic" was the fact that she was nearly identical to "Titanic", and many passengers sailed on "Olympic" as a way of vicariously experiencing the voyage of "Olympic"s sister ship. On 22 March 1924, "Olympic" was involved in another collision with a ship, this time at New York. As "Olympic" was reversing from her berth at New York harbour, her stern collided with the smaller liner "Fort St George", which had crossed into her