SS-22 (missile)

SS-22 (missile). The SS-22, designated by NATO as the Scarab and known in the Soviet Union as the Oka (9K714), was a highly mobile, short-range ballistic missile system developed during the late Cold War. Designed by the Reutov-based NPO Mashinostroyeniya, it represented a significant technological leap over its predecessor, the SS-23 Spider, with improved range, accuracy, and survivability. Intended for deep strikes against high-value NATO targets like command centers, airfields, and nuclear storage sites in Western Europe, its deployment was curtailed by the Intermediate-Range Nuclear Forces Treaty.

Development and design

The development of the SS-22 system was initiated in the late 1970s under the leadership of Sergei Nepobedimy at NPO Mashinostroyeniya, a premier design bureau for tactical missiles. The project aimed to create a successor to the SS-12 Scaleboard and SS-23 Spider that could evade emerging NATO anti-ballistic missile defenses like the Patriot missile system. Key innovations included a sophisticated inertial navigation system for high accuracy, a powerful solid-propellant rocket motor for a quick launch sequence, and an advanced transporter erector launcher based on the BAZ-6944 vehicle for exceptional cross-country mobility. The missile's design emphasized a depressed trajectory and potential for maneuverable reentry vehicles, making it a challenging target for interception. Testing was conducted at the Kapustin Yar range, with the system achieving initial operational capability in the Soviet Armed Forces around 1985.

Operational history

Operational deployment of the SS-22 with the Soviet Army began in 1985, primarily assigned to missile brigades within the Group of Soviet Forces in Germany and the Western Military District. The system's deployment caused significant concern within NATO and the administration of Ronald Reagan, as it was perceived to blur the line between tactical and strategic weapons in Europe. However, its service life was abruptly cut short by the signing of the Intermediate-Range Nuclear Forces Treaty (INF Treaty) in 1987 between the United States and the Soviet Union. Although the Soviet Union argued the SS-22's range was below the 500 km treaty limit, intense pressure from NATO and verification by United States inspectors led to its classification as a treaty-prohibited system. Under the terms of the INF Treaty, all SS-22 missiles, along with their launchers and support equipment, were verifiably destroyed between 1989 and 1991, a process monitored by officials from the On-Site Inspection Agency.

Variants

The SS-22 system was fielded in a single primary operational variant, the 9K714 Oka complex, which included the 9M714 missile and its associated transporter erector launcher. There were unconfirmed reports and Western intelligence assessments of several experimental or proposed derivatives. These reportedly included a version with a cluster munition warhead for engaging area targets like airbases, a seeker-equipped terminally guided variant for improved precision against hardened targets, and a potential longer-range model that directly contributed to its inclusion in the Intermediate-Range Nuclear Forces Treaty. No other variants are confirmed to have entered serial production or service before the system's elimination.

Specifications

The SS-22 was a single-stage, solid-fueled ballistic missile. It had a reported length of approximately 7.5 meters and a diameter of 0.9 meters. Its launch weight was estimated by NATO intelligence to be around 4,600 kg. The missile was capable of delivering a conventional high-explosive, chemical, or nuclear warhead with a yield estimated between 10 and 50 kilotons to a maximum range of about 400-500 kilometers, though this was a point of contention during INF Treaty negotiations. Guidance was provided by an advanced inertial navigation system, granting it a reported Circular error probable of 150-300 meters. The entire system was mounted on a wheeled BAZ-6944 transporter erector launcher, which provided road speeds over 60 km/h and the ability to launch from unprepared positions with minimal setup time.

Operators

The sole operator of the SS-22 missile system was the Soviet Union, specifically the Rocket Forces and Artillery branch of the Soviet Army. Following the dissolution of the Soviet Union in 1991, no operational missiles remained, as all had been destroyed under the Intermediate-Range Nuclear Forces Treaty. There is no evidence that any successor states, including the Russian Federation, Ukraine, or Belarus, inherited or retained any SS-22 systems. The treaty-mandated destruction was completed prior to the final breakup of the union, preventing any transfer to other potential operators.

Category:Ballistic missiles of the Soviet Union Category:Cold War missiles of the Soviet Union Category:Short-range ballistic missiles