Petya class frigate | Сторожевые корабли проекта 159 | Vietnam People's Navy.

#vietnam #navy #submarine The Petya class was the NATO reporting name for a class of light frigates designed in the 1950s and built for the Soviet Navy in the 1960s. The Soviet designation was “Storozhevoi Korabl`“ (Сторожевой Корабль - Sentry Ship) Project 159. The Petya Class was a successful light frigate design that the Soviet navy classified as small anti-submarine or later escort ships. The Class consisted of a number of sub groups. Eight Petya I ships were produced between 1961 and 1964. This basic design was also built in a slightly different form with the addition of a medium frequency towed sonar housed in a new stern deck house. Ten of these Modified Petya I vessels were produced in parallel with the original type. The Petya II Class followed on and twenty-six units were built between 1964 and 1969. A final Modified Petya II class boat was produced in 1978 and was similar to the Modified Petya I but with a new VDS deckhouse at the stern. One of the ASW torpedo mountings was remo