Mark 32 torpedo tubes
Mark 32 torpedo tubes mounted on ROCS Tzu I
TypeTorpedo tube
Place of originUnited States
Service history
In service1960–present
Used byUnited States Navy
WarsCold War
Production history
ManufacturerOrdnance Technology Service[1]
VariantsMod 5
Mod 7
Mod 9
Mod 11
Mod 14
Mod 15
Mod 17
Mod 19
Specifications
Mass2,230 lb (1,010 kg)
Launch
platform
Surface vessel

Mark 32 Surface Vessel Torpedo Tubes (Mk 32 SVTT) is a torpedo launching system designed for the United States Navy.[2]

History

The Mark 32 has been the standard anti-submarine torpedo launching system aboard United States Navy surface vessels since its introduction[3] in 1960, and is in use aboard the warships of several other navies.[3]

During the FRAM Program, Fletcher, Allen M. Sumner and Gearing-class destroyers were modernized and fitted with two Mark 32 torpedo tubes on each side of their midship. The torpedo tubes' service extended to multiple other countries such as Mexico, South Korea, Taiwan, Turkey, Egypt and many more due to the fact that decommissioned American ships were bought or transferred over to them throughout the years, notably Oliver Hazard Perry-class frigates.

Japan uses the HOS-301 torpedo tubes which are redesignated version of the Mark 32.

Design

Most versions (referred to as modifications or mods) are triple-tube sets that can be rotated or trained to face a target.[3] The exception is the Mod 9 sets, which only have two tubes and are fixed in position.[3] The Mark 32 can fire 12.75-inch (324 mm) torpedoes of the Mark 44, Mark 46, Mark 50 (from the Mod 17 tubes onwards),[3][4] and Mark 54 designs, and can be modified to use other torpedoes (such as the MU90 Impact aboard Royal Australian Navy frigates, or Royal Navy units using Sting Ray torpedoes).[5][6] The tubes are designed to be fired remotely, but manual firing controls are fitted as a backup to all but the Spruance-class destroyer's Mod 15 sets, as all aspects of the tubes' operation are controlled remotely.[3] The launch is powered by compressed air[3] in a rear flask, which doubles as each tube's breech, and the torpedoes are fire-and-forget weapons.

The launcher can be made from fibreglass, or with a fibreglass liner encased in metal.[3] The tubes were designed to be weatherproof and capable of storing torpedoes for long periods, but this is only practical with regular maintenance. Each triple-tube set weighs around 2,230 pounds (1,010 kg) unloaded, with variations between mods.[3]

On board ships

United States United States

Mark 32 aboard USS Stout

Japan Japan

HOS-301 onboard JS Hatakaze

Canada Canada

Taiwan Taiwan

Mark 32 aboard HMAS Parramatta

Italy Italy

Mark 32 in South Korean service

Australia Australia

South Korea South Korea

Indonesia Indonesia

See also

References

Wikimedia Commons has media related to Mark 32 Surface Vessel Torpedo Tubes.
  1. ↑ "MK32". Ordnance Technology Service, Inc. Retrieved 2021-09-04.
  2. ↑ "Jane's: SVTT Mk 32 (United States), Weapon handling and launching systems". Archived from the original on 2010-06-11. Retrieved 2010-03-04.
  3. 1 2 3 4 5 6 7 8 9 Friedman, Norman (2006). The Naval Institute Guide to World Naval Weapon Systems (5th ed.). Annapolis, MD: Naval Institute Press. pp. 754–5.
  4. ↑ "Post-WWII US torpedoes at www.NavWeaps.com". Archived from the original on 2019-03-27. Retrieved 2019-01-27.
  5. ↑ Fish, Tim; Grevatt, Jon (24 June 2008). "Australia's HMAS Toowoomba test fires MU90 torpedo". Jane's Navy International. Jane's Information Group.
  6. ↑ Chant, Chris (2005). Submarine Warfare Today: The World's Deadliest Underwater Systems. Leicester: Silverdale Books. p. 143. ISBN 1-84509-158-2.


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