Tags: Weapon.
The S-25 Berkut (Russian: С-25 «Беркут»; Berkut means golden eagle in English) is a surface-to-air guided missile the first operational SAM system in the Soviet Union. It was deployed in several rings around Moscow starting in 1955 and became combat ready in June 1956. It was used only to defend Moscow the more mobile S-75 (SA-2 Guideline) would be used in almost all other roles.