RMS

Royal Mail Ship

Royal Mail Ship , usually seen in its abbreviated form RMS, a designation which dates back to 1840, is the ship prefix used for seagoing vessels that carry mail under contract by Royal Mail...

 Queen Elizabeth was an ocean liner

Ocean liner

An ocean liner is a ship designed to transport people from one seaport to another along regular long-distance maritime routes according to a schedule. Liners may also carry cargo or mail, and may sometimes be used for other purposes .Cargo vessels running to a schedule are sometimes referred to as...

 operated by the Cunard Line

Cunard Line

Cunard Line is a British-American owned shipping company based at Carnival House in Southampton, England and operated by Carnival UK. It has been a leading operator of passenger ships on the North Atlantic for over a century...

. Plying with her running mate Queen Mary as a luxury liner between Southampton

Southampton

Southampton is the largest city in the county of Hampshire on the south coast of England, and is situated south-west of London and north-west of Portsmouth. Southampton is a major port and the closest city to the New Forest...

, UK and New York City

New York City

New York is the most populous city in the United States and the center of the New York Metropolitan Area, one of the most populous metropolitan areas in the world. New York exerts a significant impact upon global commerce, finance, media, art, fashion, research, technology, education, and...

, USA via Cherbourg, France, she was also contracted for over twenty years to carry the Royal Mail

Royal Mail

Royal Mail is the government-owned postal service in the United Kingdom. Royal Mail Holdings plc owns Royal Mail Group Limited, which in turn operates the brands Royal Mail and Parcelforce Worldwide...

 as the second half of the two ships' weekly express service.

While being constructed, in the mid-1930s by John Brown and Company at Clydebank

Clydebank

Clydebank is a town in West Dunbartonshire, in the Central Lowlands of Scotland. Situated on the north bank of the River Clyde, Clydebank borders Dumbarton, the town with which it was combined to form West Dunbartonshire, as well as the town of Milngavie in East Dunbartonshire, and the Yoker and...

, Scotland

Scotland

Scotland is a country that is part of the United Kingdom. Occupying the northern third of the island of Great Britain, it shares a border with England to the south and is bounded by the North Sea to the east, the Atlantic Ocean to the north and west, and the North Channel and Irish Sea to the...

, she was known as Hull 552 but when launched, on 27 September 1938, she was named in honour of Queen Elizabeth

Elizabeth Bowes-Lyon

Elizabeth Angela Marguerite Bowes-Lyon was the queen consort of King George VI from 1936 until her husband's death in 1952, after which she was known as Queen Elizabeth The Queen Mother, to avoid confusion with her daughter, Queen Elizabeth II...

, who was then Queen Consort

Queen consort

A queen consort is the wife of a reigning king. A queen consort usually shares her husband's rank and holds the feminine equivalent of the king's monarchical titles. Historically, queens consort do not share the king regnant's political and military powers. Most queens in history were queens consort...

 and in 1952 became the Queen Mother

Queen mother

Queen Mother is a title or position reserved for a widowed queen consort whose son or daughter from that marriage is the reigning monarch. The term has been used in English since at least 1577...

.