Polish army troops from 15th Air Defence Regiment firing several SA-6 “Gainful” mobile surface-to-air missile systems on the north coast of Poland.

The 2K12 "Kub" (Russian: 2К12 "Куб") (NATO reporting name: SA-6 "Gainful") mobile surface-to-air missile system is a Soviet low to medium-level air defence system designed to protect ground forces from air attack. (Learn more: )

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