In the skies above Riyadh, a column of black smoke near the kingdom's main international airport became the latest visible testament to a conflict that refuses to remain contained within Yemen's borders. The Houthi movement claimed responsibility for strikes on sensitive sites within the Saudi capital, offering video evidence as proof — a reminder that in modern warfare, the image of destruction travels as fast as the destruction itself. This moment belongs to a longer story of a determined adversary repeatedly demonstrating that air defenses, however costly, are not impenetrable, and that the