In the drills, they trained the technique of rounding off the coordination among the crews.

A spokesman for the Russian Air Force, reporting about the flight drills on Feb. 21, said they did not infringe upon the territorial air of neighboring states in line with the demand of international law.

The spokesman noted that planes of the air force will hold flight drills in the sky above the sea in the future, too, under the plan of all the military districts.