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—the first time NATO has directly engaged a Russian object during the Ukraine war. But the incident exposes a puzzle: NATO's founding treaty promises to defend any member against "armed attack," yet it's unclear whether a drone intrusion qualifies, or what response members must give. The boundary remains dangerously fuzzy.