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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 on over 200 USN surface ships, specifically cruisers , destroyers , and frigates .
The first VLS ASROC missile was an RUR-5 ASROC with an upgraded solid-fuel booster section and a digital guidance system. It carries a lightweight Mark 46 homing torpedo that is dropped from the rocket at a precalculated point on its trajectory, and then parachuted into the sea.
In fiscal year 1991, the Japanese Technical Research and Development Institute (技術研究本部, Gijutsu Kenkyū Honbu) began developing an extended-range version of the RUR-5 ASROC to exploit the greater direct-path range of the new low-frequency OQS-XX and OQS-2x sonar systems.
The 8-round ASROC "Pepper Box" launcher for the RUR-5 ASROC. Used on many USN and other vessels. Some vessels such as the last three Brooke-class frigates, all Knox-class frigates, California-class cruisers and the Spruance-class destroyers had reloading systems and up to 16 reloads. Other classes of vessel had no reloads. [2]
The United States conducted the test Dominic Swordfish of the RUR-5 ASROC nuclear depth bomb off San Diego in 1962. Due to the use of a nuclear warhead of much greater explosive power than that of the conventional depth charge, the nuclear depth bomb considerably increases the likelihood (to the point of near certainty) of the destruction of ...
An inert RUR-5 ASROC missile exhibited on the JS Shimakaze at JMSDF Hanshin Naval Base. A Mk.112(J) MOD-2N ASROC launcher, mounted on JS Sendai . Designed 1960, in service 1961 (USA).
The system supported RIM-66 Standard, RUR-5 ASROC, and potentially other weapons. [1] The Mark 26 had the shortest reaction time and the fastest firing rate of any comparable dual arm shipboard launching system at the time. With only one man at the control console, a weapon can be selected, hoisted to the guide arm, and launched.
The Knox-class ships were armed with a 5"/54 caliber Mark 42 gun forward and a single 3-inch/50-caliber gun aft. They mounted an eight-round RUR-5 ASROC launcher between the 5-inch (127 mm) gun and the bridge. Close-range anti-submarine defense was provided by two twin 12.75-inch (324 mm) Mk 32 torpedo tubes.