The Kriegsmarine was the navy of Nazi Germany from 1935 to 1945. It superseded the Imperial German Navy of the German Empire (1871–1918) and the inter-war Reichsmarine (1919–1935) of the Weimar Republic. The Kriegsmarine was one of three official branches, along with the Heer and the Luftwaffe, of the Wehrmacht, the German armed forces from 1935 to 1945.
The German auxiliary cruiser Atlantis, known to the Kriegsmarine as Schiff 16 and to the Royal Navy as Raider-C, was a converted German Hilfskreuzer, or merchant or commerce raider of the Kriegsmarine, which, in World War II, travelled more than 161,000 km (100,000 mi) in 602 days, and sank or captured 22 ships with a combined tonnage of 144,384. Atlantis was commanded by Kapitän zur See Bernhard Rogge, who received the Oak Leaves to the Knight's Cross of the Iron Cross. She was sunk on 22 November 1941 by the British cruiser HMS Devonshire.
Merchant raiders are armed commerce raiding ships that disguise themselves as non-combatant merchant vessels.
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.
Komet (HSK-7) was an auxiliary cruiser of Nazi Germany's Kriegsmarine in the Second World War, intended for service as a commerce raider. Known to the Kriegsmarine as Schiff 45, to the Royal Navy she was named Raider B.
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.
Thor was an auxiliary cruiser of Nazi Germany's Kriegsmarine in World War II, intended for service as a commerce raider. Also known to the Kriegsmarine as Schiff 10; to the Royal Navy she was Raider E. She was named after the Germanic deity Thor.
Hellmuth von Ruckteschell was a German naval officer during World War II. He was a prominent and highly successful merchant raider commander for Nazi Germany, serving as the captain of the commerce raiders Widder and Michel. After the war Ruckteschell was convicted of war crimes and died in prison.
The Pinguin was a German auxiliary cruiser (Hilfskreuzer) which served as a commerce raider in World War II. The Pinguin was known to the Kriegsmarine as Schiff 33, and designated HSK 5. The most successful commerce raider of the war, she was known to the British Royal Navy as Raider F. The name Pinguin means penguin in German.
Stier was an auxiliary cruiser of Nazi Germany's Kriegsmarine during World War II. Her Kriegsmarine designation was Schiff 23, to the Royal Navy she was Raider J.
SMS Wolf was an armed merchant raider or auxiliary cruiser of the Imperial German Navy in World War I. She was the fourth ship of the Imperial Navy bearing this name, following two gunboats and another auxiliary cruiser that was decommissioned without seeing action.
MS Togo was a German merchant ship that was launched in 1938. Requisitioned by Nazi Germany's Kriegsmarine as Schiff 14, in April 1940 she participated in the invasion of Norway; in August 1940 was converted to a minelayer as part of the German plan to invade England; then from June 1941 she began conversion to the armed auxiliary cruiser (Hilfskreuzer) HSK Coronel.
Michel(HSK-9) was an auxiliary cruiser of Nazi Germany's Kriegsmarine that operated as a merchant raider during World War II. Built by Danziger Werft in Danzig 1938/39 as the freighter Bielsko for the Polish Gdynia-America-Line (GAL), she was requisitioned by the Kriegsmarine at the outbreak of World War II and converted into the hospital ship Bonn. In the summer of 1941, she was converted into the auxiliary cruiser Michel, and was commissioned on 7 September 1941. Known as Schiff 28, her Royal Navy designation was Raider H. She was the last operative German raider of World War II.
SMS Möwe was a merchant raider of the Imperial German Navy which operated against Allied shipping during World War I.
HMS Clyde was a submarine of the River class. She was built by Vickers Armstrong, Barrow and launched on 15 March 1934. Building was completed on 12 April 1935. Initially planned to be part of a class 20 strong, Clyde would be the third and final of the boats to be completed and launched.
Theodor Detmers was a German naval officer and captain of the German auxiliary cruiser Kormoran during World War II. He was a recipient of the Knight's Cross of the Iron Cross of Nazi Germany. Detmers commanded the commerce raider Kormoran when it sunk the Australian light cruiser HMAS Sydney in a mutually destructive battle.
The German attacks on Nauru refers to the two attacks on Nauru in December 1940. Nauru is an island country in Micronesia, a subregion of Oceania, in the Central Pacific. These attacks were conducted by auxiliary cruisers between 6 and 8 December and on 27 December. The raiders sank five Allied merchant ships and inflicted serious damage on Nauru's economically important phosphate-loading facilities. Despite the significance of the island to the Australian and New Zealand economies, Nauru was not defended and the German force did not suffer any losses.
HMHS Gloucester Castle was a steam ship originally built for the Union-Castle Line, but requisitioned for use as a British hospital ship during the First World War. On 30 March 1917 she was torpedoed by German U-boat UB-32. She was, however, salvaged, and returned to civilian service after the war. She was sunk by the German commerce raider Michel in 1942 off Ascension Island in the South Atlantic.
SS Anglo Saxon was a cargo ship carrying coal from Wales to Argentina that was sunk by the German auxiliary cruiser Widder on 21 August 1940. Several of the crew managed to get in a jolly boat, an all purpose small boat that could also be used as a lifeboat. It carried the surviving members of the ship's crew west across the Atlantic Ocean for 70 days, before finally landing in Eleuthera. By the time the jolly boat made landfall, only two of the seven survivors of the attack were still alive.
Ulrich Mohr was a German naval officer and the adjutant on the Kriegsmarine auxiliary cruiser Atlantis during the Second World War, where one of his functions was to board captured ships and search for secret papers that might be of use to the German war effort.
Germany 
Nazi Germany 
United Kingdom 
West Germany 
