High Quality Content by WIKIPEDIA articles! The 9K32 “Strela-2” (Russian 9К32 “Cтрела-2” — arrow; NATO reporting name SA-7 Grail) is a man-portable, shoulder-fired, low-altitude surface-to-air missile system with a high explosive warhead and passive infrared homing guidance. Broadly comparable to the US Army FIM-43 Redeye, it was the first generation of Soviet man-portable SAMs, entering service in 1968, with series production starting in 1970.