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The torpedoes used Mark 46 silver oxide batteries. These had a known tendency to overheat, occasionally igniting or exploding. Training torpedoes used rechargeable secondary batteries. For a long time, the Mark 37 was a primary U.S. submarine-launched ASW torpedo. It was replaced by the Mark 48 starting in 1972. The remaining inventory was then ...
Bliss-Leavitt Mark 7 Short Torpedo (Type D) ... Mark 37 (Mod.0 & Mod.3) ... Seawater battery: Mark 45 Mod.0
Mark 37 Director c1944 with Mark 12 (rectangular antenna) and Mark 22 "orange peel" Ship gun fire-control systems (GFCS) are analogue fire-control systems that were used aboard naval warships prior to modern electronic computerized systems, to control targeting of guns against surface ships, aircraft, and shore targets, with either optical or radar sighting.
These included the Mark 14, Mark 23, Mark 32, Mark 34, Mark 37, Mark 44, and Mark 46. Additionally, US Navy rocket-boosted torpedo systems were imported, such as the ASROC and VL-ASROC . [ 2 ] This page presently only lists weapons which were indigenously produced in Japan, including both original designs and locally manufactured foreign designs.
However, while Mark 46 batteries have been known to generate so much heat that the torpedo casings blistered, none are known to have damaged a boat or caused an explosion. [ 32 ] Craven mentions that he did not work on the Mark 37 torpedo's propulsion system and became aware of the possibility of a battery explosion only 20 years after the loss ...
The Mk-48 torpedo was designed at the end of the 1960s to keep up with the advances in Soviet submarine technology. Operational since 1972, it replaced the Mk-37, Mk-14 and Mk-16 torpedoes as the principal weapon of U.S. Navy submarines. [3]
The Type 55 designation was given to a lengthened and modified version of the American Mark 37 torpedo manufactured in Japan, which in turn was designated as the Mark 37-0-N (Mark 37 Mod 0, the version without wire guidance). [41] Other variants of the Mark 37 were imported, not manufactured domestically. The Mark 37 remained in service until 1987.
The Mark 46 torpedo is the backbone of the United States Navy's lightweight anti-submarine warfare torpedo inventory and is the NATO standard. These aerial torpedoes 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.