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Depth Charge

   Also found in: Dictionary/thesaurus, Acronyms, Wikipedia 0.02 sec.
depth charge, explosive device used against submarines and other underwater targets, either rolled into the water from rails on the stern of a ship or propelled from depth charge throwers. The charge is detonated by water pressure at a predetermined depth. It does not have to come into actual contact with the target to destroy it, since the concussion can accomplish this if the charge explodes near enough. First used by the British navy in World War I, it contributed significantly to the defeat of the German U-boat campaign.

depth charge

 or depth bomb

Weapon used by ships or aircraft to attack submerged submarines. Developed by the British in World War I for use against German submarines, it consisted of a canister filled with explosives and dropped off the stern of a ship near a submerged submarine. It rarely exploded close enough to sink the submarine, but its shock waves loosened the submarine's joints and damaged its instruments, forcing it to the surface, where naval gunfire could finish it off. Modern depth charges can be fired as far as 2,000 yards (1,800 m) from a ship's deck or launched from aircraft. Atomic depth charges have a nuclear warhead and a vastly increased killing radius.


depth charge [′depth ‚chärj]
(ordnance)
A cylindrical or teardrop-shaped container holding a charge of TNT or other explosive, dropped from the deck of a ship, and detonated at a preset depth as an antisubmarine weapon.

Depth Charge 

one of the types of naval weaponry designed to combat submerged submarines.

The depth charge is a shell with a powerful explosive substance or atomic charge contained in a metal housing that may be of a cylindrical, spherocylindrical, teardrop, or other shape. The explosion of the depth charge breaks the hull of the submarine and damages or destroys it. The explosion is set off by a fuse that may engage when the charge strikes the hull of the submarine at a given depth or when the charge passes the submarine at a distance not greater than the radius of action of a proximity fuse. The stabilizing tail assembly gives the spherocylindrical and teardrop depth charges a stable attitude when moving on a trajectory. Depth charges are subdivided into aviation and ship charges; ships launch rocket depth charges from starters and fire depth charges from single- or multiple-barreled launchers or dump them from stern-mounted bomb release mechanisms. Depth charges were first widely used in World War I (1914-18) and remained a very important type of antisubmarine weapon in World War II (1939-45).

REFERENCES

Kvitnitskii, A. A. Bor’ba s podvodnymi lodkami (po inostrannym dannym). Moscow, 1963.
Shmakov, N. A. Osnovy voenno-morskogo dela. Moscow, 1947. Pages 155-57.

L. A. SKORODUMOV



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The Liberator's systems were so badly damaged, Lake had to push its depth charges out to keep the plane airborne.
Despite being holed by the depth charge, five sailors trapped on the U-534 reacted as they were trained, heading to the forward torpedo hatch attempting to swim up 67m to the surface.
12 story about the USS Santa Fe mistakenly indicated that the ship's weaponry includes depth charges.
 
 
 
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