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OTR 23 Oka

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Place of origin
  
Soviet Union

Produced
  
1979 – 1987

Used by
  
See Operators

OTR-23 Oka

Type
  
Tactical ballistic missile

Designer
  
KB Mashinostroyeniya (Kolomna)

Manufacturer
  
Votkinsk Machine Building Plant

The OTR-23 Oka (Russian: OTP-23 «Ока»; named after Oka River) was a mobile theatre ballistic missile (Russian: оперативно-тактический ракетный комплекс) deployed by the Soviet Union near the end of the Cold War to replace the obsolete SS-1C 'Scud B'. It carried the GRAU index 9K714 and was assigned the NATO reporting name SS-23 Spider. The introduction of the Oka significantly strengthened Soviet theatre nuclear capabilities as its range and accuracy allowed it not only to strike hardened NATO targets such as airfields, nuclear delivery systems, and command centers, but moving targets as well. It also had a fast reaction time, being able to fire in approximately five minutes, and was nearly impossible to intercept, thereby allowing it to penetrate defenses.

Contents

The main components of the 9K714 system were:

  • the transport and launch vehicle PU 9P71 (Russian: cамоходная пусковая установка), based on the amphibious BAZ-6944;
  • the similar transporter-loader TZM 9T230 (Russian: транспортно-заряжающая машина) with one spare missile and equipped with a hydraulic crane;
  • the re-supply vehicle TM 9T240 (Russian: транспортная машина), a ZIL-131 tractor with semi-trailer to transport a missile (in transport container 9Ya249) and a warhead (in 9Ya251 container).
  • The operational life of the Oka was limited and controversial. The Soviet military asserted that the Oka only had a maximum range of 250 miles (400 km). American experts on the contrary estimated it had a greater range. In 1987, Mikhail Gorbachev proposed to George Shultz that he would unilaterally remove all Okas, if it would prevent the United States from building up its own short-range nuclear forces in Europe, despite the fact that the Soviet military was in favor of the Oka. Shultz however lacked the authority to act on the suggestion. Gorbachev included the Oka in the class of systems to be discontinued as part of the INF Treaty as a gesture of goodwill, even though Soviet assertions of its maximum range did not put it outside of the specifications of the treaty.

    There was diplomatic controversy over this weapons system in April 1990 when the Soviets informed the US of their covert transfer of at least 120 missiles to the Warsaw Pact states of Czechoslovakia, Bulgaria, and East Germany during the time of negotiation of the Intermediate-Range Nuclear Forces Treaty. Evidence indicates that the missiles were transferred with conventional warheads only, although equipment to load Soviet nuclear warheads was apparently retained.

    Missile Variants

  • The 9M714B missile armed with the AA-60 (9N63) nuclear warhead and possessing a maximum range of 500 km.
  • The 9M714F missile armed with a FRAG-HE warhead weighing 450 kg and possessing a maximum range of 450 km.
  • The 9M714K missile armed with a submunitions warhead 9N74K weighing 715 kg and possessing a maximum range of 300 km.
  • In addition to these warheads, the SS-23 was also reported to be able to deliver chemical munitions.

    Operators

     Ukraine
     Russia

    Former operators

     Bulgaria
    Phased out in 2002.
     Czech Republic
    Phased out in the 1990s.
     Czechoslovakia
    Passed on to successor states.
     East Germany
    Passed on to Germany.
     Germany
    Phased out in the 1990s.
     Slovakia
    Phased out in 2000.
     Soviet Union
    Phased out as directed by the INF Treaty.

    References

    OTR-23 Oka Wikipedia


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