Queen Elizabeth 2 was designed for the transatlantic service from her home port of Southampton, UK to New York, United States and was named after the earlier Cunard liner RMS Queen Elizabeth. She served as the flagship of the line from 1969 until succeeded by the Queen Mary 2 in 2004. Queen Elizabeth 2 was designed in Cunard's offices in Liverpool and Southampton and built in Clydebank, Scotland. She was considered the last of the transatlantic ocean liners until 'Project Genesis" was announced by Cunard Line in 1995 after the business purchase of Cunard by Mickey Arison; chairman of Carnival and Carnival UK. Project Genesis was intended to create new life in the ocean liner saga, and in 1998, Cunard revealed the name: Queen Mary 2.

RMS Queen Mary 2 (also referred to as the QM2) is a British transatlantic ocean liner. She has served as the flagship of Cunard Line since succeeding Queen Elizabeth 2 in 2004.As of 2022, Queen Mary 2 is the only ocean liner (as opposed to a cruise ship) still in service.

The ship was officially named Queen Mary 2 by Queen Elizabeth II in 2004 after the first RMS Queen Mary of 1936. Queen Mary had in turn been named after Mary of Teck, consort of King George V. With the retirement of Queen Elizabeth 2 in 2008, Queen Mary 2 is the only transatlantic ocean liner in regular service between Southampton, England, and New York City, United States. The ship is also used for cruising, including an annual world cruise