An armed merchantman is a merchant ship equipped with guns, usually for defensive purposes, either by design or after the fact. In the days of sail, piracy and privateers, many merchantmen would be routinely armed, especially those engaging in long distance and high value trade. In more modern times, auxiliary cruisers were used offensively as merchant raiders to disrupt trade chiefly during both World War I and World War II, particularly by Germany.
RMS Aquitania was an ocean liner of the Cunard Line in service from 1914 to 1950. She was designed by Leonard Peskett and built by John Brown & Company in Clydebank, Scotland. She was launched on 21 April 1913 and sailed on her maiden voyage from Liverpool to New York on 30 May 1914. She was given the title of Royal Mail Ship (RMS) like many other Cunard ocean liners since she carried the royal mail on many of her voyages. Aquitania was the third in Cunard Line's grand trio of express liners, preceded by RMS Mauretania and RMS Lusitania, and was the last surviving four-funnelled ocean liner. Shortly after Aquitania entered service, the First World War broke out, during which she was first converted into an auxiliary cruiser before being used as a troop transport and a hospital ship, notably as part of the Dardanelles Campaign.
HMS Jervis Bay was a British liner later converted into an armed merchant cruiser, pennant F40. She was launched in 1922, and sunk in battle on 5 November 1940 by the German heavy cruiser Admiral Scheer in an action which earned her captain the Victoria Cross.
HMS Otranto was an armed merchant cruiser requisitioned by the British Admiralty when World War I began in 1914. Built before the war for the UK–Australia run as SS Otranto, she was primarily used in the war to search for German commerce raiders. She played small roles in the Battle of Coronel in November 1914 when the German East Asia Squadron destroyed the British squadron searching for it and in the Battle of the Falkland Islands the following month when a British squadron annihilated the Germans in turn.
SS Ceramic was an ocean liner built in Belfast for White Star Line in 1912–13 and operated on the Liverpool – Australia route. Ceramic was the largest ship serving the route until P&O introduced RMS Mooltan in 1923.
HS4000 Kestrel was a prototype high-powered mainline diesel locomotive that was built in 1967 by Brush Traction, Loughborough, as a technology demonstrator for potential future British Rail and export orders. The locomotive number is a combination of the initials of Hawker Siddeley and the power rating of its Sulzer diesel engine (4,000 hp), making it the most powerful locomotive built by the company.
Orion (HSK-1) was an auxiliary cruiser of Nazi Germany's Kriegsmarine which operated as a merchant raider in World War II. Blohm & Voss built her in Hamburg in 1930–31 as the cargo ship Kurmark. The navy requisitioned her at the start of World War II, had her converted into the auxiliary cruiser Orion, and commissioned her on 9 December 1939. Known to the Kriegsmarine as Schiff 36, her Royal Navy designation was Raider A. She was named after the constellation Orion.
CP Ships was a large Canadian shipping company established in the 19th century. From the late 1880s until after World War II, the company was Canada's largest operator of Atlantic and Pacific steamships. Many immigrants travelled on CP ships from Europe to Canada. In 1914 the sinking of the Canadian Pacific steamship RMS Empress of Ireland just before World War I became largest maritime disaster in Canadian history. The company provided Canadian Merchant Navy vessels in World Wars I and II. Twelve vessels were lost due to enemy action in World War II, including the RMS Empress of Britain, which was the largest ship ever sunk by a German U-boat.
Operation Nordseetour was a raid conducted between 30 November and 27 December 1940 by the German heavy cruiser Admiral Hipper. It was part of the Battle of the Atlantic of World War II, with the ship seeking to attack Allied convoys in the North Atlantic. Admiral Hipper left Germany on 30 November 1940 and entered the Atlantic after evading British patrols. She had difficulty locating any convoys and was plagued by engine problems and bad weather. While returning to Brest in German-occupied France, Admiral Hipper encountered Convoy WS 5A on the night of 24 December. A torpedo attack that night did not inflict any damage and Admiral Hipper was driven off by the convoy's escorts when she attacked on the next morning. Two British transports and a heavy cruiser were damaged. The German cruiser sank a merchant ship later on 25 December, and arrived in Brest on 27 December.
RMS Empress of Britain was a transatlantic ocean liner built by the Fairfield Shipbuilding and Engineering Company at Govan on the Clyde in Scotland in 1905–1906 for Canadian Pacific Steamship (CP). This ship – the first of three CP ships to be named Empress of Britain – regularly traversed the transatlantic crossing between Canada and Europe until 1923, with the exception of the war years. Empress of Britain was the sister ship of RMS Empress of Ireland, which was lost in 1914.
Convoy HX 84 was the 84th of the numbered series of Allied North Atlantic HX convoys of merchant ships from Halifax, Nova Scotia, and Bermuda to Liverpool, England, during the Battle of the Atlantic. Thirty-eight ships escorted by the armed merchant cruiser HMS Jervis Bay departed from Halifax on 28 October 1940, eastbound to Liverpool.
MS Rangitane was a passenger liner owned by the New Zealand Shipping Company. She was one of three sister ships delivered to the company in 1929 for the All-Red Route between Britain and New Zealand. Rangitane was built by John Brown & Company and launched on 27 May 1929.
RMS Orion was an ocean liner launched by the Orient Steam Navigation Company in 1934 and retired from the water in 1963 after carrying about 500,000 passengers. A 23,371 ton passenger ship, the Orion was built to carry 486 first class, 653 tourist class passengers and 466 crew from Europe through the Pacific to Australia. The construction of the ship was documented in Paul Rotha's 1935 film Shipyard.
RMS Rangitata was an ocean passenger liner that was built in Scotland in 1929 and scrapped in Yugoslavia in 1962. She was operated by the New Zealand Shipping Company between London and Wellington, New Zealand, via the Panama Canal with her two sister ships Rangitiki and Rangitane.
MV Aorangi was a transpacific ocean liner and refrigerated cargo ship. She was launched in 1924 in Scotland and scrapped in 1953. Her regular route was between Sydney and Vancouver via Auckland, Suva and Honolulu.
HMS Bulolo was a 6,267 ton passenger and cargo ship of the Burns, Philp Shipping Company operating in the South Pacific. In 1939 she was converted into an Armed Merchant Cruiser, then a Landing Ship Headquarters (LSH) in 1942. She directed the landings in North Africa, Sicily, Anzio and Normandy during World War II.
QSMV Dominion Monarch was a UK passenger and refrigerated cargo liner. Her name was a reference to the Dominion of New Zealand. The unusual prefix "QSMV" stood for quadruple-screw motor vessel.
RMS Parthia was the second of two all first class transatlantic passenger cargo liners built for the Cunard Line. She later served on the London to Auckland route for the New Zealand Shipping Company under the name Remuera, and still later as a Pacific cruise ship under the name Aramac. She was scrapped in 1969–70.
SS Beaverford was a cargo liner registered in the United Kingdom and operated by the Canadian Pacific Steamship Company. She was built in 1928 for service between Montreal and London.
RMS Andes was a 26,689 GRT steam turbine Royal Mail Ship, ocean liner, cruise ship, and the flagship of the Royal Mail Lines fleet. She was the second Royal Mail ship to be named after the South American Andes mountain range. The first RMS Andes was an A-class liner launched in 1913. In 1929 that RMS Andes was converted into a cruise ship and renamed Atlantis.
United Kingdom