When a Drone Crosses Into NATO: What Counts as an Attack?

A French fighter jet shot down a Russian-origin drone over Latvia on June 8—NATO's first military response to an object from Russian airspace during the Ukraine war. The incident reveals a gap in NATO's core defense treaty: Article 5 promises collective defense against "armed attack," but it's unclear whether drones crossing borders qualify, especially when jamming or accidents could send them astray.