Koni class Frigate (1975)
Project 1159 Del’fin class “patrol ships” Frigates NATO Koni I/II/III) 1975-1988: 15 completed. The Koni class (NATO reporting name) were fifteen anti-submarine warfare frigate built by the Soviet Union as Project 1159 Del’fin to replace the 1950s Riga class. Fourteen were built in Zelenodolsk shipyard between 1975 and 1988. However the project evolved into multirole … Read more