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The Hedgehog (also known as an Anti-Submarine Projector) was a forward-throwing anti-submarine weapon that was used primarily during the Second World War.The device, which was developed by the Royal Navy, fired up to 24 spigot mortars ahead of a ship when attacking a U-boat. [2]
They were widely used in World War I and World War II, and remained part of the anti-submarine arsenals of many navies during the Cold War, during which they were supplemented, and later largely replaced, by anti-submarine homing torpedoes. The Mk 101 Lulu was a US nuclear depth bomb operational from 1958 to 1972
By the time of World War II, anti-submarine weapons had been developed somewhat, but during that war, there was a renewal of all-out submarine warfare by Germany as well as widespread use of submarines by most of the other combatants. The effective use of depth charges required the combined resources and skills of many individuals during an attack.
The Q-ship, a warship disguised as a merchantman, was used to attack surfaced U-boats, [21] while the R1 was the first ASW submarine. [22] 211 of the 360 U-boats were sunk during the war, from a variety of ASW methods: Mines 58 Depth charges 30 Submarine torpedoes 20 Gunfire 20 Ramming 19 Unknown 19 Accidents 10 Sweeps 33 Other (including bombs ...
Submarine warfare is one of the four divisions of underwater warfare, the others being anti-submarine warfare, mine warfare and mine countermeasures.. Submarine warfare consists primarily of diesel and nuclear submarines using torpedoes, missiles or nuclear weapons, as well as advanced sensing equipment, to attack other submarines, ships, or land targets.
All six bombs were fired in salvo so they formed opposing triangular spreads. The salvos were set to explode 25 feet (7.6 m) above and below the target, the resulting pressure wave crushing the hull of the submarine. Post-war trials found Squid was nine times more effective than conventional depth charges. [3]
Extensively used in bombs, shells, depth charges and naval mines Baronal: Barium nitrate, TNT and powdered aluminium: Baratol: Barium nitrate and TNT: Used in British hand grenades. Also used as the low velocity explosive lens in the implosion type nuclear weapon, Fat Man: Composition A: 88.3% RDX and 11.7% plasticizer: Composition B: RDX, TNT ...
The Rocket U-boat was a series of military projects undertaken by Nazi Germany during the Second World War. The projects, which were undertaken at Peenemünde Army Research Center, aimed to develop submarine-launched rockets, flying bombs and missiles.