Osa-class missile boat
Class of vessel
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The Project 205 Moskit more commonly known by their NATO reporting name Osa, are a class of missile boats developed for the Soviet Navy in the late 1950s. Until 1962 this was classified as a large torpedo boat. Wikipedia
Armament: 2 × AK-230 twin 30 mm CIWS (2,000 rounds); 4 × P-15 Termit (SS-N-2 Styx) anti-ship missiles
Endurance: 5 days
In service: 1960–present
Installed power: 3 × 4,000 hp (3.0 MW) M-503G diesel engines (205); 3 × 5,000 hp (3.7 MW) M-504B diesel engines (205U onwards)
Length: 38.6 m (127 ft)
Speed: 38.5 knots (71.3 km/h) (M-503G); 42 knots (78 km/h) (M-504B)