The SS-N-2 Styx (NATO Code) is a ship-based anti-ship guided missile that was developed in the Soviet Union. The GRAU index is 4K40 and the system index of the Russian armed forces is P-15 Termit / P-20 Rubesch. The missile design from the 1950s belongs to the first generation of Soviet anti-ship missiles.
Furthermore included 3 hangar types.