2K11 Krug
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The 2K11 Krug is a Soviet and now Russian medium-range, medium-to-high altitude surface-to-air missile system. The system was designed by NPO Novator and produced by Kalinin Machine Building Plant. Its GRAU designation is "2K11." Wikipedia
Engine: V59 V-12 water-cooled diesel; 520 hp
Fuel capacity: 850 L (190 imp gal; 220 US gal)
Ground clearance: 0.44 m (1 ft 5 in)
In service: 1965-present; 1965-1990s (USSR)
Power/weight: 17.33 hp/t