In the early hours of a Tuesday morning, a drone crossing from Belarus into Lithuanian skies was destroyed by NATO fighter jets near the village of Pratkunai — a quiet act of vigilance that speaks to the restless new geography of European security. Simultaneously, Poland retrieved a suspected Russian Gerbera drone from the Baltic Sea, a reminder that the war in Ukraine does not confine itself to Ukrainian borders. These twin incidents reflect a broader truth now settling over the Baltic: that the alliance's eastern edge has become a contested threshold, where the boundaries between provocation