The 9K720 Iskander (NATO reference name: SS-26 Stone) is a mobile short-range ballistic missile system produced and deployed by the Russian Federation. 

Iskander missile systems were developed to replace the obsolete OTR-23 Oka systems.

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In September 2017, KB Mashinostroyeniya (KBM) general designer Valery M. Kashin said there were at least seven types of missiles (and “perhaps more”) for the Iskander, including a guided missile.

The Iskander ballistic missile is superior to its predecessor, the OTR-23 Oka. The Iskander M (Russian Armed Forces Version) system is equipped with two solid propellant single-stage guided missiles (model 9M723K1). Each one in the launcher can be independently launched in a matter of seconds. The mobility of the Iskander launch platform makes a launch difficult to prevent.

Missile targets can be detected not only by satellite and surveillance aircraft, but also by a conventional intelligence center, by an artillery observer or from aerial photographs scanned on a computer. The missiles can be re-targeted during flight. Another unique feature of the Iskander is the optically guided warhead, which can also be controlled by encrypted radio transmission, including those from AWACS or UAV. The missile’s on-board computer receives images of the target, then locks onto the target and descends toward it at supersonic speed.

Boost phase thrust vector control (TVC) is achieved with graphite vanes similar in layout to regular V-2 and Scud tactical ballistic missiles. According to some rumors, during the flight, the missile follows a quasi-ballistic path, performing maneuvers in the final phase of the flight and releasing decoys to penetrate missile defence systems.

Iskander ballistic missile range

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The Russian Iskander-M travels at a hypersonic speed of 2100–2600 m / s (Mach 6–7). It weighs 4,615 kg, carries a warhead of 710-800 kg, has a range of 500 km and achieves a circular error probable (CEP) of 5-7 meters (when coupled with an optical homing head, 30-70 m in autonomous application). It is rumored that during the flight it can maneuver at different altitudes and trajectories and can turn up to 20 to 30 G to evade anti-ballistic missiles.

Various systems appeared in the rehearsal of the Independence Day parade in September 2016. Four 9K720 Iskander systems were delivered to Armenia under the CSTO agreement, making Armenia the first country (other than Russia) to acquire the system. 

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On September 29, Armenian Prime Minister Nicole Pashinyan spoke about whether Yerevan intends to deploy Iskanders against Azerbaijan, in the wake of the use of missile systems and incendiary weapons in Nagorno-Karabakh.

Asked by reporters, Pashinyan confirmed that the security of Armenia and its citizens is a priority for the country.

“Our duty is to prevent the situation from deteriorating and to address the issues of long-term stability,” he told the press.

Earlier, the country’s defence minister had warned that Yerevan might need to use more long-range and powerful weapons systems after Azerbaijan resorted to a longer-range missile solution in the disputed Nagorno-Karabakh region.

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