4 trends tracked about this subject — the full history, oldest to newest below.
Latvia activated NATO jets and deployed a BLAZE interceptor drone following an unidentified object's intrusion near the Russian and Belarusian borders.
Poland is relaxing its rules of engagement for fighter pilots to enable faster responses to foreign aircraft, drones, and missiles entering from Russia.
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Romania has shot down suspected drones breaching its airspace for the first time, marking a significant escalation for the NATO ally.