The P-800 Onyx (also known by its official index 3M55) was developed by the Soviet Union in the 1970s at the NPOMash Design Bureau. The missile was designed as a versatile cruise missile capable ...

The P-800 Onyx, on the other hand, is a nearly 29.5-foot-long supersonic cruise missile capable of striking targets within a range of about 186 miles. Earlier reports suggested that the Russians ...