For over a decade, Israel has cited the Iron Dome as a core pillar of its homeland defence strategy. Developed as a response to growing threats from short-range rockets, the system is often described by Israeli officials as nearly impenetrable. In repeated conflicts since 2011, the Iron Dome has been showcased as one of the most advanced and battle-tested air defence technologies in the world. However, questions around its effectiveness, limitations under heavy saturation, and its recent performance amid large-scale missile attacks have brought the system under renewed scrutiny. Below is a detailed explainer on what the Iron Dome is, how it works, and what major news outlets and defence analysts have reported about its use in recent years.