On April15–21 NATO fighter aircraft conducting the NATO Air Policing Mission in the Baltic states were scrambled once to identify and escort military aircraft of the Russian Federation in international airspace over the Baltic Sea.
On April 20 NATO fighter aircraft intercepted one TU-134 flying from Kaliningrad to mainland Russia with its onboard transponder on, maintaining radio communication with the regional air traffic control centre, without the flight plan.
Related photo, credit: Filip Modrzejewski