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57E6 / SA-22 GREYHOUND

The Tulamashzavod Kashtan combines two liquid-cooled, gas-operated, six-barrelled 30 mm GSh-6-30K guns with eight launchers for 57E6 missiles to provide defense of warships against cruise missiles. The Pantsyr-S1 carries twelve 57E6 [with the NATO reporting name SA-22 GREYHOUND] surface-to-air missiles.

The small-size surface-to-air missile with high flight and ballistic characteristics (Vmax = 1.300 m/s) and a highly powerful fragmentation rod warhead (it weighs 20 kg with the missile weight being 30 kg).

The missile has a bicalibre body in tandem configuration, separable booster and sustainer with separation mechanism. The sustainer contains the warhead and contact and proximity fuses. The missile weighs 65kg at launch and has a maximum speed of 1,100m/s. Range is from 1km to 12km. It has an expanded engagement zones up to 20 km in range and up to 10 km in altitude.

The 57E6YE surface-to-air missile features a short flight time at the boost phase (t = 1.5 s, Vmax = 1.300 m/s). High agility after separation of the booster is accompanied by small ballistic deceleration during post-boost flight (40 m/s for 1 km of flight). Also noteworthy is the heavy weight of the warhead (16kg - 20 kg) at the small launch weight of the SAM, along with the employment of rod subprojectiles in the warhead ensuring positive engagement of a broad class of targets. Its warhead is described by the Russians as being of "elongated rod" pattern, presumably a form of what is termed "continuous rod" in the West. The effectiveness of an elongated rod warhead is proportional to warhead length and inversely proportional to warhead diameter. The air-dynamic control actuator is available without limitations in terms of service life.