Iran Has More Missiles Than Israel Has Interceptors. Now What? | WSJ

The Wall Street JournalAbout 3 min readJun 18, 2025Watch original
THE SUMMARYAI-generated

Summary of YouTube Video:

Key Concepts:

  • Multi-layered missile defense system (Arrow 3, Arrow 2, David's Sling, Iron Dome)
  • Interceptor capacity vs. capability
  • Ballistic missiles
  • Munitions expenditure
  • THAAD system
  • SM-2, SM-3, SM-6 interceptors
  • Iranian proxy groups (e.g., Houthis)

Israel's Multi-Layered Missile Defense System

Israel employs a multi-layered defense system to protect its airspace. This system includes:

  • Arrow 3: The "crown jewel" with a range of approximately 1,500 miles, designed to intercept long-range ballistic missiles, including those that fly above the Earth's atmosphere. It has been crucial in countering attacks from Iran and Yemen, intercepting threats before they enter Israeli airspace.
  • Arrow 2: An older version used to intercept short- to medium-range ballistic missiles.
  • David's Sling: Primarily used to counter medium-range ballistic missiles, among other threats.
  • Iron Dome: Used to shoot down short-range threats like rockets from Gaza. Experts say it's not playing a major role in the current conflict with Iran.

The Arrow systems and David's Sling have been key in the current conflict. Israel claims a 90% interception rate for ballistic missiles. Out of 370 missiles fired by Iran, about 30 have made an impact as of June 17th.

Interceptor Capacity Concerns

While Israel's missile defense capability is strong, the capacity to sustain long-term defense is a growing concern. Tom Karako, the director of the Missile Defense Project at CSIS, emphasizes that "the capability is not the question. It's the capacity that matters."

  • Interceptor Shortfall: A US official indicates that Arrow interceptors are in short supply.
  • Cost and Production Time: Arrow interceptors are complex missiles costing over $2 million each and take time to produce. Defensive weapons are generally more expensive and harder to make than offensive weapons due to their sophisticated and precise nature.
  • Multiple Interceptors: Neutralizing a single missile may require firing several interceptors.

US Support and its Limitations

The United States has been assisting Israel by providing defensive systems and intercepting threats.

  • US Systems Deployed: The US has deployed the ground-based THAAD system (which can intercept missiles inside or outside the atmosphere) and Navy ships equipped with SM-2, SM-3, and SM-6 interceptors. Fighter jets are also used to shoot down drones and missiles.
  • Limited US Interceptors: The US also faces limitations in its interceptor supply. Defense documents show that the US has only procured about 600 THAAD interceptors to date.

Israel's Offensive Strategy

Israel has been attempting to reduce the threat by targeting Iran's missile and drone capabilities on the ground. The IDF claims to have dismantled more than 1/3 of Iran's missile launchers. However, Iran has still been able to launch volleys of missiles at Israel.

Implications for the Conflict

Analysts suggest that officials need to act quickly to end the war because neither the US nor Israel can sustain intercepting missiles for an extended period. The situation raises concerns about Israel's long-term ability to defend itself and the broader implications for the Middle East.

Conclusion

The video highlights the effectiveness of Israel's multi-layered missile defense system but raises concerns about the long-term sustainability of its interceptor capacity. The US support is crucial but also has limitations. The conflict's duration is a key factor, as neither Israel nor the US can afford a prolonged period of intensive missile defense.

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