The guided surface-to-air missile developed by the Soviet Union in the early 60s, designed to defend troops and facilities against air attack flying subsonic and supersonic at an altitude of 50 to 10000-14000 m and distance from 3.5 to 24 km.

Set-up (battery rockets) consists of: radar detection and guidance SURN 1S91M1 (SSWN), four launcher SPU 2P25M1 (SW), rockets 3M9ME or 3M9M3E (PRK), two cars and transport loading (STZ), automated fire control system K-1 and accessories.