 Complete the following phrase:  The S-2 Sopka coastal defense system Russian GRAU code 4K87 NATO code: SSC-2b Samlet was a conventionally armed variant which attached a SPRD-15 jet assisted rocket to launch the missile from fixed launchers. After attaining sufficient velocity, the AS-1 turbojet would carry the missile to the target. The system was designed for land based attacks on sea targets and widely deployed in eastern bloc countries such as Poland and East Germany during the Cold War. One Sopka regiment was stationed in Cuba as part of 