NATO launches “Eastern Sentry” to bolster posture along eastern flank

On Friday (12 September 2025), NATO Secretary General Mark Rutte and Supreme Allied Commander Europe (SACEUR) General Alexus G. Grynkewich held a joint press conference to outline NATO’s response to the violation of Polish airspace by Russian drones two days earlier. Mr Rutte announced the launch of “Eastern Sentry,” a military activity aimed to bolster NATO’s posture along the eastern flank.