Flat Twin
This system is apparently a component of the ABM-2/S-225 road-mobile anti-missile and anti-aircraft system developed by Chief Designer A. Raspletin of TSKB Almaz between 1965 and 1978. The S-225 included the Flat Twin phased array radar for target tracking and interceptor guidance, the Pawn Shop station for transmission of commands, anti-missile interceptors with nuclear warheads, and the command homing posts 5YA26 (designed by the OKB Novator) and 5YA27 (designed by the Fakel).

