missile system CUB-M4 (part-2)

The 2K12 Kub (Russian: 2К12 "Куб"; English: cube) mobile surface-to-air missile (SAM) system is a Soviet low to medium-level air defence system designed to protect ground forces from air attack. "2К12" is the GRAU designation of the system. Its NATO reporting name is SA-6 Gainful.

Each battery consists of a number of similar tracked vehicles, one of which carries the 1S91 (NATO designation Straight Flush) 25 kW G/H band radar (range 75 km/47 miles) equipped with a continuous wave illuminator, in addition to an optical sight. The battery usually also includes 4 triple-missile transporter erector launchers (TELs) and 4 trucks each carrying 3 spare missiles and a crane. TEL is based on a GM-578 chassis, while the 1S91 radar vehicle on a GM-568, all developed and produced by MMZ.