The drills were carried out in the course of a sudden inspection of combat readiness of the Southern Military District.
According to Russian Defense Ministry, the operations engage fighters, bombers, attack aircraft, as well as transport-combat and attack helicopters. In total 40 aircraft units will undergo a check.
The ATO Speaker of the Presidential Administration of Ukraine, Colonel Andrei Lysenko said that Friday the units of the Russian Armed Forces deployed in Crimea MLRS "Grad" and self-propelled artillery units (SAU).
The drills on the Crimean peninsula started February 8 and are carried out in the framework of a sudden check of the combat readiness of the Central and Southern Military Districts.