SA-6 Gainful

1960s self-propelled surface-to-air missile system
English: The NIIP\Vympel 2K12 "Kub" (Russian]] 2К12 "Куб" – cube, NATO reporting name SA-6 "Gainful") 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.