SA-11 Gadfly (9К37 Бук) Soviet SAM System

The Buk missile system is the successor to the NIIP/Vympel 2K12 Kub (NATO reporting name SA-6 "Gainful"). The first version of Buk adopted into service carried the GRAU designation 9K37 and was identified in the west with the NATO reporting name "Gadfly" as well as the US Department of Defense designation SA-11.
Designed: 1972-1977
testing in 1977-1978
operation in 1979