667BD Murena DELTA II - Program
In June 1972 CDB ME "Rubin" was issued tactical and technical requirements for the development of an improved version of Project 667B Murena boats capable of carrying not 12, but 16 missiles RSM-40. The new ship got the code "667BD Murena-M."
It was decided to conduct the construction of a series of four ships at Severodvinsk (it should be noted that after the project 667BD all domestic SSBNs were laid only in the Northern Machine-Building Enterprise). During the construction of this series the SMP began to widely implement modular aggregate method of design and installation of ship structures, machinery and equipment, which was further developed during the construction of nuclear-powered ships of the 3rd generation. In the development of new submarine technologies, great contribution were made by LPMB "Rubin", headed by ID Spassky, the Kaluga Turbine Works, as well as other enterprises and research centers of the country.
The first ship - K-187 - was laid down in April 1973, and in the same year the second boat in the series - K-92 - was also laid down. In 1974 the other two cruisers - K-193 and K-421 - were laid down. Entry of the submarines in operation took place in 1975, respectively, on 30 September, 17 December and 30 December (two SSBNs simultaneously). All of them were included in the 3rd Submarine Flotilla, based in the Bay Yagelnaya. The 667BD boat project received the NATO classification designation Delta-2.
The appearance of the complex SSBN D-9D allowed more "pull" to the shores of the country of their patrol areas, thereby increasing the combat stability of the naval component of the strategic nuclear forces.
In 1980, the boat K-193 performed a special campaign, whose goal was to test the capabilities of the American stationary hydroacoustic monitoring system "SOSUS" (SOSUS).
In 1982, K-92 SSBN (commander Captain 2nd Rank V. Patrushev) successfully completed a special assignment: an armed torpedo was used live for breaching polynyas in the Arctic ice pack, after which the submarine surfaced and fired a missile launch.
In accordance with the Russian-American agreements on strategic arms reduction first SSBN 667BD was removed from the Navy in 1996. By 1999, all ships of this project had left the system.
All 667BD submarines were decommissioned in compliance with the provisions of the START-1 treaty.
The Nunn-Lugar Cooperative Threat Reduction program was scheduled to dismantle 25 Delta-class, five Typhoon-class, and one Yankee-class ballistic missile submarines capable of launching over 400 missiles with over 1,700 warheads, by the year 2003. As of September 1999 US specialists had helped disassemble one Yankee- and six Delta-class submarines, while the Russians had destroyed another five ballistic missile subs on their own using American equipment.
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