The P-5 "Pyatyorka" (; "Pyatyorka" means "fiver" in English - the equivalent to an A grade) was a Cold War era turbojet-powered cruise missile of the Soviet Union, designed by the Chelomey design bureau. The missile entered service in 1959. Pyatyorka is a common name for the missile as the "digit 5", corresponding to the R-7 Semyorka, the digit 7.
The basic version of the missile was submarine launched inertially-guided
cruise missile with nuclear warhead to threaten the US coast. The missile could be armed with either a 1000 kg high explosive or a 200 or 350 kt nuclear warhead.It had a speed of about 0.9 Mach, range of 500 km and CEP
of about 3000 m. The later variant had a range of possibly up to 1000 km.The first missiles were installed in Project 644, Whiskey Twin Cylinder and Project 665, Whiskey Long Bin submarines.
Versions of P-5 were later developed equipped with radar homing to be used as anti-ship missiles
. The last anti-ship versions were retired from active service about 1990, replaced by the P-500 Bazalt
and P-700 Granit
There were actually three versions of turbojet-powered, cruise missiles that were called "SS-N-3" by Western intelligence sources, with multiple variants. The earliest, P-5 was called SS-N-3c, and later versions SS-N-3a and SS-N-3b.The various Russian designations are believed to be P-5 "Pyatyorka", P-6, P-7, and P-35 Progress. Some sources indicate... Read More