Reuters reported the information.Rutte said the operation is a direct response to Russia’s reckless actions over Poland.“It's reckless and unacceptable. We can't have Russian drones entering allied airspace,” he said.Operation Eastern Sentry will begin on the evening of September 12, employing air and ground assets to secure and monitor Europe’s eastern flank.NATO Secretary General Mark Rutte said Denmark, France, the United Kingdom, and Germany have already confirmed their participation, with other member states expected to join.NATO Supreme Commander Alexus Grynkewich emphasized that the alliance would defend every centimeter of its territory.“Poland and citizens from across the Alliance should be assured by our rapid response earlier this week and our significant announcement here today,” he said.