1914 (Carlo Marquardt CM-156)
- Type: Passenger
- Displacement: 45,647 tons
- Dimensions: 901 x 97 x 34 ft.
- Machinery: Steam turbines, quadruple screws = 23 knots
- Passengers: 3263 (597 first class, 614 second class, 2052 third class)
- Crew: 972
- Builder: John Brown & Co, Ltd, Clydebank, Scotland, 1914
- Service: Built for Cunard Line. Last liner built with four funnels. Maiden voyage 30 May 1914 Liverpool-Queenstown-New York. Completed three round trips before WWI began. Taken up as an auxiliary cruiser but then changed to a troopship; served at the Dardanelles. Hospital ship 1916-17. Brought 60,000 US troops to Europe in nine voyages 1917-18. Resumed North Atlantic service Southampton-Cherbourg-New York 14 Jun 1919. Converted to oil fuel and fitted with Gyro compass 1919-20. Requisitioned as a troopship 21 Nov 1939 for duration. Used to repatriate US troops and then made 12 austerity class Canadian Government voyages Southampton-Halifax. Returned to Cunard transatlantic service until Nov 1949. Broken up in Scotland, 1950.
During her career Aquitania steamed over three million miles, carried almost 1,200,000 passengers, and crossed the Atlantic 475 times.