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
Azteca-class patrol vessel between perpendiculars. They have a beam of and a draught of . The ships are propelled by two shafts driven by two Ruston Paxman Ventura diesels creating . This gives the vessels a maximum speed of and a range of at . The ships are armed with one 40 mm L70 Bofors DP gun, one 20 mm Oerlikon GAM-B01 cannon and two machine guns. The Azteca class has a complement of 24. Azteca-class patrol vessel The Azteca-class patrol vessel are a class of patrol vessels in service with the Mexican Navy. They were designed and built by the British companies