Peluru kendali darat ke udara "2K11 Krug"

2K11 Krug (Rusia: 2К11 «Круг», Inggris: circle) adalah jangka panjang, sistem rudal permukaan-ke-udara ketinggian menengah ke tinggi (SAM) Soviet dan sekarang Rusia. "2K11" adalah sebutan Grau, sementara SA-4 Ganef adalah nama pelaporan NATO-nya.
Sistem ini dirancang oleh NPO Novator dan diproduksi oleh Kalinin Machine Building Plant.

Specifications (2K11 Krug)
Weight	28,200 kg
Length	7.5 m (9.46 m with missiles)
Width	3.2 m
Height	4.472 m (with missiles)
Crew	3 to 5

Armour	15 mm
Engine	V59 V-12 water-cooled diesel 520 hp
Power/weight	17.33 hp/t
Ground clearance	0.44 m
Fuel capacity	850 litres
Operational range	780 km
Speed	35 km/h

Current operators

Armenia 115
Azerbaijan
Turkmenistan - 3
Kyrgyzstan
North Korea - unknown number

Former operators

Czechoslovakia had 1 brigade. Phased out in early 1990s.
East Germany. Passed onto successor states.
Hungary had 1 regiment, 25. Phased out in middle 1990s.
Bulgaria - 30,in reserve
Poland - 30.Phased out in 2011.
Russia - 500 launchers (2007)(phased out in 1990s) Missiles used as targets for training(Virazh/-M 9M316M)
Ukraine In stock