On July 1 NATO fighter aircraft conducting the Baltic Air Policing Mission were scrambled to identify and escort one SU-30 flying through international airspace between locations in Kaliningrad, it had no pre-filed flight plan, the onboard transponder was switched off, radio contact with the regional air traffic control centre was not maintained.
On July 2 NATO fighter aircraft were patrolling in international airspace over the Baltic Sea.
On July 3 NATO fighter jets were scrambled to intercept one SU-24MR flying with its onboard transponder off, maintaining radio communication but without a flight plan, between locations in Kaliningrad through international airspace.
On July 3 NATO fighter aircraft were patrolling over the Baltic Sea.
On July 4 NATO air policing fighter jets were scrambled to intercept one SU-24MR and one SU-30SM. The aircraft were flying from a location in Kaliningrad into international airspace and back to Kaliningrad. They had no pre-filed flight plans, the onboard transponders were switched off, the crews were not maintaining radio communication.