On May 18 – 24, 2020, NATO fighter aircraft conducting the NATO Air Policing Mission in the Baltic states carried out two alert scrambles to identify and escort military aircraft of the Russian Federation in international airspace over the Baltic Sea.
On May 18 NATO fighter aircraft intercepted two SU-30s flying from Kaliningrad without having pre-filed the flight plans, without using the onboard transponders, and without maintaining radio communication with the regional air traffic control centre.
On May 23 NATO air policing aircraft intercepted TU-134 flying from Kaliningrad to mainland Russia without the flight plan, with its onboard transponder on, maintaining radio communication with the regional air traffic control centre.
Related image, credit: Antanas Giedrimas/Lithuanian Air Force