RMS Laconia was a Cunard

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...

 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...

 built by Swan Hunter & Wigham Richardson, launched on 27 July 1911, delivered to the Cunard Line on 12 December 1911, and began service on 20 January 1912. She was the first Cunard ship of that name.

On the outbreak of World War I

World War I

World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

 Laconia was converted into an armed merchant cruiser in 1914 and based at Simon's Town

Simon's Town

Simon's Town , sometimes spelled Simonstown; is a town in South Africa, near Cape Town which is home to the South African Navy. It is located on the shores of False Bay, on the eastern side of the Cape Peninsula. For more than two centuries it has been an important naval base and harbour...

, South Africa

South Africa

The Republic of South Africa is a country in southern Africa. Located at the southern tip of Africa, it is divided into nine provinces, with of coastline on the Atlantic and Indian oceans...

 in the South Atlantic, from which she patrolled the South Atlantic and Indian Ocean

Indian Ocean

The Indian Ocean is the third largest of the world's oceanic divisions, covering approximately 20% of the water on the Earth's surface. It is bounded on the north by the Indian Subcontinent and Arabian Peninsula ; on the west by eastern Africa; on the east by Indochina, the Sunda Islands, and...

 until April 1915.