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.
German submarine U-47 was a Type VIIB U-boat of Nazi Germany's Kriegsmarine during World War II. She was laid down on 25 February 1937 at Friedrich Krupp Germaniawerft in Kiel as yard number 582 and went into service on 17 December 1938 under the command of Günther Prien.
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.
RMS Laconia was a Cunard ocean liner, built by Swan, Hunter & Wigham Richardson as a successor of the 1911–1917 Laconia. The new ship was launched on 9 April 1921, and made her maiden voyage on 25 May 1922 from Southampton to New York City. At the outbreak of the Second World War she was converted into an armed merchant cruiser, and later a troopship. She was sunk in the South Atlantic Ocean on 12 September 1942 by torpedoes. Like her predecessor, sunk during the First World War, this Laconia was also destroyed by a German submarine. Some estimates of the death toll have suggested that over 1,658 people were killed when the Laconia sank. The U-boat commander Werner Hartenstein then staged a dramatic effort to rescue the passengers and the crew of Laconia, which involved additional German U-boats and became known as the Laconia incident.
This is a timeline for the Battle of the Atlantic (1939–1945) in World War II.
German submarine U-38 was a Type IXA U-boat of Nazi Germany's Kriegsmarine that operated during World War II.
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.
HX 79 was an Allied convoy in the North Atlantic of the HX series, which sailed east from Halifax, Nova Scotia. The convoy took place during the Battle of the Atlantic in the Second World War. One ship dropped out and returned to port, leaving 49 to cross the Atlantic for Liverpool. Two armed merchant cruisers and a submarine escorted the convoy to protect it from German commerce raiders.
SS Robin Moor was a United States cargo steamship that was built in 1919 and sunk by a U-boat in May 1941, several months before the US entered World War II.
The SS Irish Oak was an Irish-operated steamship that was sunk in the North Atlantic during World War II by a German submarine.
SS Soesterberg was a Dutch-owned cargo steamship that was built in Belgium in 1927 and sunk by a U-boat in 1940 in the Battle of the Atlantic.
USS Henry R. Mallory (ID-1280) was a transport for the United States Navy during World War I. She was also sometimes referred to as USS H. R. Mallory or as USS Mallory. Before her Navy service she was USAT Henry R. Mallory as a United States Army transport ship. From her 1916 launch, and after her World War I military service, she was known as SS Henry R. Mallory for the Mallory Lines. Pressed into service as a troopship in World War II by the War Shipping Administration, she was torpedoed by the German submarine U-402 in the North Atlantic Ocean and sank with the loss of 272 men—over half of those on board.
The SS Nerissa was a passenger and cargo steamer which was torpedoed and sunk on 30 April 1941 during World War II by the German submarine U-552 following 12 wartime voyages between Canada and Britain. She was the only transport carrying Canadian Army troops to be lost during World War II.
MV British Prudence was a tanker built by Sir James Laing & Sons Ltd. of Sunderland in 1939 and operated by the British Tanker Company. A U-boat sank her in 1942 off the coast of Newfoundland. She was a victim of the Second Happy Time: the Kriegsmarine's Operation Drumbeat to sink Allied merchant shipping in the Western Atlantic
SS West Maximus was a steel-hulled cargo ship built for the United States Shipping Board's emergency wartime construction program during World War I. Completed too late to see service in the war, West Maximus spent the interwar years in commercial service.
German submarine U-65 was a Type IXB U-boat of Nazi Germany's Kriegsmarine during World War II. Over the course of six war patrols between 9 April 1940 and 28 April 1941, she sank twelve ships and damaged three others for a total loss of 88,664 gross register tons (GRT).
The Torpedo Alley, or Torpedo Junction, off North Carolina, is one of the graveyards of the Atlantic Ocean, named for the high number of attacks on Allied shipping by German U-boats in World War II. Almost 400 ships were sunk, mostly during the Second Happy Time in 1942, and over 5,000 people were killed, many of whom were civilians and merchant sailors. Torpedo Alley encompassed the area surrounding the Outer Banks, including Cape Lookout and Cape Hatteras.
United States Navy operations during World War I began on April 6, 1917, after the formal declaration of war on the German Empire. The United States Navy focused on countering enemy U-boats in the Atlantic Ocean and the Mediterranean Sea while convoying men and supplies to France and Italy. Because of United States's late entry into the war, her capital ships never engaged the German fleet and few decisive submarine actions occurred.
SS City of Oxford was a steam merchant ship built in 1926 by Swan, Hunter & Wigham Richardson Ltd., in Newcastle-upon-Tyne and sunk by a German submarine on 15 June 1942. Measuring 2,759 gross register tons she entered service with the Ellerman and Papayanni subsidiary of Ellerman Lines, and served during the Second World War.
SS Point Pleasant Park was a merchant steamship constructed for Canada's Merchant Navy in 1942 during the Second World War as part of Canada's Park ship program. She carried a variety of wartime cargoes to Atlantic and Indian Ocean ports until the German submarine U-510 sank her off the coast of South Africa on 23 February 1945 as Point Pleasant Park was sailing independently from Saint John, New Brunswick to Cape Town. Point Pleasant Park was the last vessel sunk in South African waters during the Second World War.
United Kingdom 
