31 relations: Autolycus (submarine detector), Baltic Sea, Battle of the Atlantic, Battle of the Netherlands, Compressed air, Conning tower, German submarine U-58 (1938), Germany, HNLMS O 19, HNLMS O 20, Kriegsmarine, List of World War II British naval radar, Nuclear submarine, O 21-class submarine, Periscope, Popular Science, Radar, Regia Marina, Royal Navy, Royal Netherlands Navy, Scotts Shipbuilding and Engineering Company, Sonar, Submarine, Type IX submarine, Type VII submarine, Type XXI submarine, Type XXIII submarine, U-boat, Underwater, World War I, World War II.
Autolycus or Sniffer was a method for detecting submerged submarines from aircraft.
The Baltic Sea is a sea of the Atlantic Ocean, enclosed by Scandinavia, Finland, Estonia, Latvia, Lithuania, Russia, Poland, Germany and the North and Central European Plain.
The Battle of the Atlantic was the longest continuous military campaign in World War II, running from 1939 to the defeat of Germany in 1945.
The Battle of the Netherlands (Slag om Nederland) was a military campaign part of Case Yellow (Fall Gelb), the German invasion of the Low Countries (Belgium, Luxembourg, and the Netherlands) and France during World War II.
Compressed air is air kept under a pressure that is greater than atmospheric pressure.
A conning tower is a raised platform on a ship or submarine, often armored, from which an officer can conn the vessel, i.e., give directions to the helmsman.
German submarine U-58 was a Type IIC U-boat of Nazi Germany's Kriegsmarine that served in the Second World War.
Germany (Deutschland), officially the Federal Republic of Germany (Bundesrepublik Deutschland), is a sovereign state in central-western Europe.
O 19, laid down as K XIX, was an of the Royal Netherlands Navy that saw service during World War II.
O 20, laid down as K XX, was a of the Royal Netherlands Navy that saw service during World War II.
The Kriegsmarine (literally "War Navy") was the navy of Germany from 1935 to 1945.
This page is a List of World War II British naval radar.
A nuclear submarine is a submarine powered by a nuclear reactor.
The O 21 class was a class of seven submarines, built for the Royal Netherlands Navy.
A periscope is an instrument for observation over, around or through an object, obstacle or condition that prevents direct line-of-sight observation from an observer's current position.
Popular Science (also known as PopSci) is an American quarterly magazine carrying popular science content, which refers to articles for the general reader on science and technology subjects.
Radar is an object-detection system that uses radio waves to determine the range, angle, or velocity of objects.
The Royal Navy (Italian: Regia Marina) was the navy of the Kingdom of Italy (Regno d'Italia) from 1861 to 1946.
The Royal Navy (RN) is the United Kingdom's naval warfare force.
The Royal Netherlands Navy (Koninklijke Marine, “Royal Navy”) is the navy of the Netherlands.
Scotts Shipbuilding and Engineering Company Limited, often referred to simply as Scotts, was a Scottish shipbuilding company based in Greenock on the River Clyde.
Sonar (originally an acronym for SOund Navigation And Ranging) is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigate, communicate with or detect objects on or under the surface of the water, such as other vessels.
A submarine (or simply sub) is a watercraft capable of independent operation underwater.
The Type IX U-boat was designed by Nazi Germany's Kriegsmarine in 1935 and 1936 as a large ocean-going submarine for sustained operations far from the home support facilities.
Type VII U-boats were the most common type of German World War II U-boat.
Type XXI U-boats were a class of German diesel-electric Elektroboot (German: "electric boat") submarines designed during the Second World War.
German Type XXIII submarines were the first so-called elektroboats to become operational.
U-boat is an anglicised version of the German word U-Boot, a shortening of Unterseeboot, literally "undersea boat".
Underwater refers to the region below the surface of water where the water exists in a natural feature (called a body of water) such as an ocean, sea, lake, pond, or river.
World War I (often abbreviated as WWI or WW1), also known as the First World War, the Great War, or the War to End All Wars, was a global war originating in Europe that lasted from 28 July 1914 to 11 November 1918.
World War II (often abbreviated to WWII or WW2), also known as the Second World War, was a global war that lasted from 1939 to 1945, although conflicts reflecting the ideological clash between what would become the Allied and Axis blocs began earlier.