German submarine U-552 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine for service during World War II. She was laid down on 1 December 1939 at Blohm & Voss in Hamburg as yard number 528, launched on 14 September 1940, and went into service on 4 December 1940. U-552 was nicknamed the Roter Teufel after her mascot of a grinning devil, which was painted on the conning tower. She was one of the more successful of her class, operating for over three years of continual service and sinking or damaging 35 Allied ships with 164,276 GRT and 1,190 tons sunk and 26,910 GRT damaged. She was a member of 21 wolf packs.
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.
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.
Widder was an auxiliary cruiser (Hilfskreuzer) of Nazi Germany's Kriegsmarine that was used as a merchant raider in the Second World War. Her Kriegsmarine designation was Schiff 21, to the Royal Navy she was Raider D. The name Widder (Ram) represents the constellation Aries in German.
Hellmuth von Ruckteschell was a German naval officer during World War II; he was one of the most successful merchant raider commanders of 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.
KorvettenkapitänReinhard Hardegen was a German U-boat commander during World War II. He was credited with the sinking of 25 ships, at a total of 136,661 tons. After the war, he spent a year and a half as a British prisoner-of-war before starting a successful oil trading business and serving as a member of Bremen's city council for over 32 years.
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.
German submarine U-504 was a Type IXC U-boat of Nazi Germany's Kriegsmarine during World War II. The submarine was laid down on 29 April 1940 at the Deutsche Werft yard in Hamburg as yard number 294, launched on 24 April 1941 and commissioned on 30 July 1941 under the command of Korvettenkapitän Hans-Georg Friedrich "Fritz" Poske. Initially attached to the 4th U-boat Flotilla for training, the U-boat was transferred to the 2nd flotilla on 1 January 1942 for front-line service. She was a member of six wolfpacks.
German submarine U-43 was a Type IXA U-boat of Nazi Germany's Kriegsmarine during World War II. The keel for U-43 was laid down in August 1938 at Bremen; she was launched in May 1939 and commissioned in August.
German submarine U-96 was a Type VIIC U-boat of the German Navy (Kriegsmarine) during World War II. It was made famous after the war in Lothar-Günther Buchheim's 1973 bestselling novel Das Boot and the 1981 Oscar-nominated film adaptation of the same name, both based on his experience on the submarine as a war correspondent in 1941.
The Battle of the Caribbean refers to a naval campaign waged during World War II that was part of the Battle of the Atlantic, from 1941 to 1945. German U-boats and Italian submarines attempted to disrupt the Allied supply of oil and other material. They sank shipping in the Caribbean Sea and the Gulf of Mexico and attacked coastal targets in the Antilles. Improved Allied anti-submarine warfare eventually drove the Axis submarines out of the Caribbean region.
German submarine U-515 was a Type IXC U-boat of Nazi Germany's Kriegsmarine built for service during World War II. She was commissioned on 21 February 1942 and sunk on 9 April 1944. U-515 completed seven operational patrols and sank 23 ships, badly damaged two ships which later sank, and damaged two additional ships.
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.
Prior to World War II, the Indian Ocean was an important maritime trade route between European nations and their colonial territories in East Africa, the Arabian Peninsula, British India, Indochina, the East Indies (Indonesia), and Australia for a long time. Naval presence was dominated by the Royal Navy Eastern Fleet and the Royal Australian Navy as World War II began, with a major portion of the Royal Netherlands Navy operating in the Dutch East Indies and the Red Sea Flotilla of the Italian Regia Marina operating from Massawa.
German submarine U-177 was a Type IXD2 U-boat of Nazi Germany's Kriegsmarine during World War II. The submarine was laid down on 25 November 1940, at the DeSchiMAG AG Weser yard in Bremen, as yard number 1017. She was launched on 1 October 1941, and commissioned on 14 March 1942, under the command of Kapitänleutnant Wilhelm Schulze. After a period of training with the 4th U-boat Flotilla at Stettin, the boat was transferred to the 10th flotilla on 1 October 1942, and based at Lorient, for front-line service, she was then reassigned to the 12th flotilla at Bordeaux on 1 December.
SS Connecticut was a 8684 ton tanker ship built in 1938 by Bethlehem Shipbuilding Corporation and used for a World War II. She operated her under the United States Merchant Marine act for the War Shipping Administration, with United States Navy Armed Guards to man her deck guns. On December 28, 1941, the Connecticut was torpedoed near Cape Disappointment in the Pacific Ocean by I-25 of the Imperial Japanese Navy. To stop from sinking the Connecticut ran aground and was later salvaged. The attack took place 10 nautical miles off the mouth of the Columbia River near Oregon. The Japanese attack on the Connecticut was under the command of Lieutenant Commander Akiji Tagami.
Germany 
Nazi Germany 
