2K12 Kub/Kvadrat Self Propelled Air Defence System / SA-6 Gainful / Cамоходный Зенитный Ракетный Комплекс 2К12 Куб/Квадрат
Straight Flush Mobile Radar System by DingoPatagonico on DeviantArt
SA-6 "Gainful" (2K12 Kub) Soviet Surface-To-Air Missile Live Fire - YouTube
Oded Berkowitz on Twitter: "#Libya- a few more pictures and angles of the #LNA's 2 2K12 Kub/SA-6 Gainful SAMs, 1 1S91 Straight Flush radar, and 1 SCUD-B (?) displayed in 4th anniversary
1S91 “Straight Flush” - Radartutorial
SA-6 Gainful And Radar Release | The Wargames Website