This was reported by the Belarusion Defense Ministry.
The Russian side is represented by a military formation of the Aerospace Forces, the press service of the ministry said.
The Belarusion Defense Ministry says that the main purpose of the exercise is to increase interoperability during joint training and combat missions.
During the exercise, Belarusians and Russians plan to work out a range of issues, in particular
conducting air reconnaissance
joint patrolling of the airspace along the state border
air support of troop groups
landing of tactical airborne troops
cargo delivery and evacuation of the wounded
All airfields and training grounds of the Air Force and Air Defense Forces of the Armed Forces of the Republic of Belarus are involved in the exercise.