As a result of recent Russian drone incursions into Poland, NATO increased its defense posture, dubbed "Eastern Sentry." But a NATO-enforced no-fly zone over Ukraine appears highly unlikely. On ...

NATO countries are warning Russia that they will retaliate — in unspecified ways — if the country continues to fly military aircraft in their airspace. After those drones and jets flew over NATO ...

In the past few weeks, Russian drones and jet fighters have repeatedly penetrated the airspace of Poland, Estonia, and other NATO members. Western officials have reacted harshly to those episodes, ...