![]() An increase in the maximum engagement altitude from 2,000 to 4,000 metres (6,600 to 13,100 ft) and increased effectiveness when engaging lightly armoured ground targets were also cited. Studies were conducted and demonstrated that a 30 mm cannon would require from a third to a half of the number of shells that the 23 mm cannon of the ZSU-23-4 would need to destroy a given target, and that firing at a MiG-17 (or similarly at, in case of war, NATO's Hawker Hunter or Fiat G.91) flying at 300 metres per second (670 mph), with an identical mass of 30 mm projectiles would result in a kill probability 1.5 times greater than with 23 mm projectiles. The project, code-named " Tunguska", was undertaken to improve on the observed shortcomings of the ZSU-23-4 (short range and no early warning) and a counter to new ground attack aircraft in development, such as the A-10 Thunderbolt II, which was designed to be highly resistant to 23 mm cannons. Shipunov, started work on a 30mm anti-aircraft system as a replacement for the 23mm ZSU-23-4. At the request of the Soviet Ministry of Defense, the KBP Instrument Design Bureau in Tula, under the guidance of the appointed Chief Designer A. Development ĭevelopment of the 2K22 anti-aircraft system began on 8 June 1970. The NATO reporting name for the missile used by the weapon system is SA-19 "Grison". It is designed to provide day and night protection for infantry and tank regiments against low-flying aircraft, helicopters, and cruise missiles in all weather conditions. ![]() ![]() ![]() ![]() The 2K22 Tunguska ( Russian: 2К22 "Тунгуска") is a Soviet tracked self-propelled anti-aircraft gun armed with a surface-to-air gun and missile system. ![]()
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