A wayward drone exploded roughly 1 kilometer from a Trans-Balkan pipeline compressor station, prompting Bulgaria to deploy troops and counter-drone systems along its Romanian border. The explosion occurred near the Kardam border crossing, roughly 1 kilometer from a Bulgarian compressor station on the Trans-Balkan gas pipeline and just 200 meters from a Romanian compressor station. The Trans-Balkan pipeline’s strategic importanceThe pipeline sitting near the blast zone isn’t some obscure piece of regional infrastructure. That the explosion landed within 1 kilometer of one compressor station and 200 meters of another puts the near-miss into sharper perspective. The drone flew from Ukrainian-controlled territory, crossed Romania without triggering any alarm, continued into Bulgaria, and detonated.