The most commonU-boat attackduring the early years of the war was conducted on the surface and at night. While U-boats were faster on the surface than submerged, the opposite is generally true of modern submarines. This contrasts with the cylindrical profile of modernnuclear submarines, which are more hydrodynamic underwater (where they spend the majority of their time), but less stable on the surface. The more ship-like hull design reflects the fact that these were primarily surface vessels that could submerge when necessary.
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militaryengaged in various tactics against German incursions in theAmericas this included military surveillance of foreign nations in Latin America, particularly in the Caribbean, to deter any local governments from supplying German U-boats.Ä«ecause speed and range were severely limited underwater while running on battery power, U-boats were required to spend most of their time surfaced running on diesel engines, diving only when attacked or for rare daytime torpedo strikes. Once the United States entered the war, U-boats ranged from the Atlantic coast of the United States and Canada to theGulf of Mexico, and from theArcticto the west and southern African coasts and even as far east asPenang. The combination of increased tonnage and increased naval protection of shipping convoys made it much more difficult for U-boats to make a significant dent in British shipping. merchant marine and Navy entered the war, drastically increasing the amount of tonnage of supplies sent across the Atlantic. Britain's vulnerable shipping situation existed until 1942, when the tides changed as the U.S. The continuous action surrounding British shipping became known as theBattle of the Atlantic, as the British developed technical defences such asASDICandradar, and the German U-boats responded by hunting in what were called "wolfpacks" where multiple submarines would stay close together, making it easier for them to sink a specific target. Cross-Atlantic trade in war supplies and food was extensive and critical for Britain's survival. In the early stages of the war the U-boats were extremely effective in destroyingAlliedshipping due to the large gap in mid-Atlantic air cover. British Prime MinisterWinston Churchilllater wrote "The only thing that really frightened me during the war was the U-boat peril." To compensate, Germany's new navy, theKriegsmarine, developed the largest submarine fleet going into World War II. The Armistice of 11 November 1918 endingWorld War Ihad scuttled most of the oldImperial German Navyand the subsequentTreaty of Versaillesof 1919 limited the surface navy of Germany's newWeimar Republicto only sixbattleships(of less than 10,000 tons each), sixcruisers, and 12destroyers. servicemen.ÄuringWorld War II, U-boat warfare was the major component of theBattle of the Atlantic, which began in 1939 and ended with Germany's surrender in 1945. *When German U-Boats were captured these Junghans timers were a VERY sought-after bring back WWII German souvenir for U.S. We have not tampered with the inside or disassembled it but believe the inside mirrors the great condition as well. This is an incredibly rare feature on these watches as many of them do not work making this an AMAZING working WWII U-Boat stopwatch timer.
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#U BOAT WATCH KRIEGSMARINE MARKINGS STOPWATCH FULL#
What makes the swatch even more incredible is that it is still fully functional and is able to be reset and run again for the full 30-second intervals. This Junghans WWII U-Boat stopwatch timer is in the incredible condition given its age while showing the perfect amount of wear and salty appearance. This is the classic design for German torpedo timing and used in U-Boats and E-Boats in the North Atlantic during the first and second world wars. These chronometers were very important onboard the German U-Boat submarines or battleships, used when launching torpedoes and for many other tasks.Offered as found, in original condition, not cleaned or polished. Very rare original German WWII Kriegsmarine U-Boat stopwatch, made by the legendary company Junghans. RARE WWII German Kriegsmarine U-boat Torpedo Stopwatch Timer Junghans FUNCTIONAL: RARE WWII German Kriegsmarine U-boat Torpedo Stopwatch Timer Junghans FUNCTIONAL