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The Mark 46 torpedo is the backbone of the
passive/active acoustic homing
* Launch/search mode: Snake or circle search
* Warhead: of PBXN-103 high explosive (bulk charge)
* Date Deployed: 1967 (Mod 0); 1979 (Mod 5)
but it started to be replaced by the Yu-11 in 2012.
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DiGiulian, Tony, Navweaps.com: USA Torpedoes
{{DEFAULTSORT:Mark 46 Torpedo Cold War anti-submarine weapons of the United States Torpedoes of the United States Torpedoes of the United Kingdom Aerial torpedoes Military equipment introduced in the 1960s
United States Navy
The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage ...
's lightweight anti-submarine warfare
Anti-submarine warfare (ASW, or in older form A/S) is a branch of underwater warfare that uses surface warships, aircraft, submarines, or other platforms, to find, track, and deter, damage, or destroy enemy submarines. Such operations are typ ...
torpedo
A modern torpedo is an underwater ranged weapon launched above or below the water surface, self-propelled towards a target, and with an explosive warhead designed to detonate either on contact with or in proximity to the target. Historically, ...
inventory and is the NATO
The North Atlantic Treaty Organization (NATO, ; french: Organisation du traité de l'Atlantique nord, ), also called the North Atlantic Alliance, is an intergovernmental military alliance between 30 member states – 28 European and two N ...
standard. These aerial torpedo
An aerial torpedo (also known as an airborne torpedo or air-dropped torpedo) is a torpedo launched from a torpedo bomber aircraft into the water, after which the weapon propels itself to the target.
First used in World War I, air-dropped torpe ...
es are designed to attack high-performance submarines. In 1989, an improvement program for the Mod 5 to the Mod 5A and Mod 5A(S) increased its shallow-water performance. The Mark 46 was initially developed as Research Torpedo Concept I (RETORC I), one of several weapons recommended for implementation by Project Nobska
Project Nobska was a 1956 summer study on anti-submarine warfare (ASW) for the United States Navy ordered by Chief of Naval Operations Admiral Arleigh Burke. It is also referred to as the Nobska Study, named for its location on Nobska Point nea ...
, a 1956 summer study on submarine warfare
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, mis ...
.
Design details
;Mark 46, Mod 5 * Primary Function: Air and ship-launched lightweight torpedoThomas, Vincent C. ''The Almanac of Seapower 1987'' Navy League of the United States (1987) pp.190-191 * Contractor: Alliant Techsystems * Power Plant: Two-speed, reciprocating external combustion; Mono-propellant ( Otto fuel II) * Length: tube launch configuration (from ship),Polmar, Norman "The Ships and Aircraft of the U.S. Fleet: Torpedoes" ''United States Naval Institute Proceedings'' November 1978 p.160 withASROC
The RUR-5 ASROC (for "Anti-Submarine Rocket") is an all-weather, all sea-conditions anti-submarine missile system. Developed by the United States Navy in the 1950s, it was deployed in the 1960s, updated in the 1990s, and eventually installed ...
rocket booster
* Weight: (warshot configuration)
* Diameter:
* Range:
* Depth: >
* Speed: >
* Guidance System: Homing mode: Active or Yu-7 variant
The Chinese Yu-7 torpedo is said to be based on the Mk 46 Mod 2. The Chinese Navy used the Yu-7 ASW torpedo, deployed primarily on ships and ASW helicopters,(Chinese language)but it started to be replaced by the Yu-11 in 2012.
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See also
*CAPTOR mine
The Mark 60 CAPTOR (Encapsulated Torpedo) is the United States' only deep-water anti-submarine naval mine. It uses a Mark 46 torpedo contained in an aluminum shell that is anchored to the ocean floor. The mine can be placed by either aircraft, s ...
(a sea mine which incorporates a Mk 46 torpedo)
* MU90 Impact torpedo
* Mark 50 torpedo
* Mark 54 MAKO Lightweight Torpedo
* Stingray torpedo
*Advanced Light Torpedo Shyena
The Advanced Light Torpedo (TAL) Shyena (Sanskrit: श्येन, "Falcon or Hawk") is the first indigenous advanced lightweight anti-submarine torpedo of India, developed by the Naval Science and Technological Laboratory (NSTL) of the Defence ...
References
;CitationsExternal links
DiGiulian, Tony, Navweaps.com: USA Torpedoes
{{DEFAULTSORT:Mark 46 Torpedo Cold War anti-submarine weapons of the United States Torpedoes of the United States Torpedoes of the United Kingdom Aerial torpedoes Military equipment introduced in the 1960s