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Motor torpedo boat PT-657 is a PT-657-class Higgins 78-foot (24 m) PT boat, built for the United States Navy during World War II. PT-657 was built at Higgins Industries in New Orleans , Louisiana .
PT-105, an 80' Elco boat, under way. A PT boat (short for patrol torpedo boat) was a motor torpedo boat used by the United States Navy in World War II.It was small, fast, and inexpensive to build, valued for its maneuverability and speed but hampered at the beginning of the war by ineffective torpedoes, limited armament, and comparatively fragile construction that limited some of the variants ...
Only two types of small purpose-built torpedo retrievers, 40' and 42' boats, were built. There were few enough of these that it was common for unspecialized motorboats to recover exercise torpedoes. [5] Torpedo retriever crew cranes aboard a Mark 24 "Fido" torpedo in 1950. World War II brought about a large increase in U.S. Navy use of torpedoes.
It was to feature an open architecture, allowing it to serve as a host to other systems and support their information gathering and threat detection. [7] In 2012, the AN/SLQ-25D program became a part of the Surface Ship Torpedo Defense (SSTD) program, a US Navy effort to field a system that could detect and destroy incoming torpedoes.
Torpedo defence includes evasive maneuvers, passive defense like torpedo belts, torpedo nets, torpedo bulges, and sonar torpedo sensors, "soft-kill" active countermeasures like sonar decoys and sonar jammers, and "hard-kill" active defenses, like anti-torpedo torpedoes similar in idea to missile defense systems. [1]
The first torpedo-boat to serve with the United States Navy was the experimental Stiletto of 31 tons, built in 1885-86 as a yacht by the Herreschoff Manufacturing Company, Bristol, Rhode Island. Designated WTB-1 (for "Wooden Torpedo Boat"), she was purchased under the Act of 3 March 1887 for use as a torpedo boat for experimental purposes and ...
USS Mobjack (AVP-27/AGP-7) was a motor torpedo boat tender in commission in the United States Navy from 1943 to 1946. She saw service in the Pacific theater during the latter portion of World War II.
The guidance system used four hydrophones on the torpedo's midsection, connected to a vacuum tube-based sound processing array. A Bell proportional navigation and HUSL non-proportional steering system were demonstrated by July 1942. The body was a modification of the Mark 13 torpedo. Length, diameter, and weight were reduced.