Iron Dome Interceptors Cost $50K Each vs $300-$800 Rockets They Destroy

Each Iron Dome Tamir interceptor costs between $40,000 and $50,000 per round, while the Qassam and Grad rockets it intercepts cost adversaries between $300 and $800 to manufacture. In engagements where two interceptors are fired per target (standard doctrine for high-confidence kills), the cost ratio balloons to 100:1 or higher. During the May 2021 Gaza conflict alone, Israel fired approximately 1,500 interceptors at an estimated cost exceeding $70 million for an 11-day engagement. This cost asymmetry matters because it creates a viable attrition strategy for adversaries. An enemy with a $10 million rocket stockpile can force the defender to spend $1 billion in interceptors. The defender's budget is finite, but the attacker's production cost is trivially low. Hamas and Hezbollah have invested heavily in expanding their rocket arsenals precisely because they understand this math -- every dollar they spend on rockets forces Israel to spend orders of magnitude more on defense. The downstream consequence is that missile defense becomes economically unsustainable at scale. If Hezbollah launches its estimated 150,000-rocket arsenal, even partially, the interceptor costs alone could exceed Israel's annual defense budget. This forces painful triage decisions: which cities get protected and which do not? The Iron Dome's 90%+ intercept rate becomes irrelevant if the system simply runs out of missiles. This problem persists because kinetic interceptors are fundamentally expensive. Each Tamir round contains a radar seeker, guidance electronics, a solid-fuel rocket motor, and a proximity-fused warhead -- components that cannot be cheaply mass-produced below a certain floor price. The physics of hit-to-kill or proximity-kill interception demand precision engineering that no amount of manufacturing scale can reduce to parity with a dumb unguided rocket filled with fertilizer explosive. The structural root cause is that defense inherently costs more than offense in the domain of ballistic projectiles. Until directed-energy weapons (lasers, microwaves) mature to operational reliability, every kinetic defense system will face this same economic trap, making sustained defense against large-scale barrages a losing proposition financially.