This was the trial of Russian fighters Su-34 using supersonic missiles

The images, published by the Russian Ministry of Defense, correspond to a Su-34 fighter launching supersonic missiles in order to eliminate "enemy" ships in the Caspian Sea Lake. Source: YouTube / RT in Spanish

In the pictures you can see a Su-34 fighter destroying a group of ships using a supersonic Kh-31 missile during a military test. This type of weaponry is the first to be launched by a tactical aircraft, since its tip is used to search for boats while moving by shaving the surface of the sea. Ten ships and forty planes participated in the project. Exercise

The first supersonic missile of the Soviet Union was built by the Raduga OKB engineering group for the purpose of being used by heavy bombers.