Military

Cyrus Rahimi · July 20, 2025

Iran’s recent series of ballistic missile tests — conducted across multiple IRGC launch sites in late spring and early summer — reveal a program that has crossed a critical threshold: precision delivery at extended range is no longer aspirational, it is operational.

What the Tests Showed

The most significant test involved what Iranian state media identified as the Fattah-2 hypersonic glide vehicle, a maneuvering reentry vehicle capable of defeating conventional ballistic missile defense systems. Unlike a traditional ballistic missile that follows a predictable arc, the Fattah-2’s terminal phase involves lateral maneuvering, making intercept calculations exponentially more difficult for systems like Israel’s Arrow-3 or the U.S. THAAD batteries deployed in the Gulf.

Separately, the IRGC Aerospace Force conducted a test of the Khorramshahr-4, a medium-range ballistic missile with a reported CEP — circular error probable, the standard measure of accuracy — of under 30 meters at 2,000 kilometers. That accuracy figure, if independently confirmed, would represent a generational improvement over Iran’s earlier Shahab-3 variants, which were considered area-effect weapons rather than precision strike systems.

The Solid-Fuel Shift

Perhaps the most strategically significant development is structural rather than technical. Iran has been converting its missile arsenal from liquid-fuel to solid-fuel propulsion. Liquid-fuel missiles require hours of preparation before launch — time that leaves them vulnerable to preemptive strikes if detected. Solid-fuel missiles can be deployed and fired within minutes, dramatically compressing decision windows for any adversary considering a preventive strike.

The Sejjil-2, a two-stage solid-fuel missile with a range exceeding 2,000 kilometers, has entered what defense analysts believe is operational service with the IRGC. Its existence means Iran now maintains a survivable second-strike capability — the missiles can be dispersed, concealed, and launched before an adversary could credibly suppress them.

The Production Dimension

The tests also coincided with what Israeli and American intelligence assessments describe as a significant expansion of Iran’s missile production infrastructure. Satellite imagery analyzed by multiple think tanks shows new manufacturing halls at the Khojir complex east of Tehran, along with expansion at the Parchin Military Complex.

Iran is not merely testing — it is building inventory. Defense analysts estimate Iran maintained approximately 3,000 ballistic missiles before the October 2024 salvo against Israel. Current estimates suggest the program has produced at sufficient pace to replenish and expand that stock.

Regional Implications

The tests send a direct message to three audiences: Israel, the United States, and Iran’s proxy network. For Israel, the message is that no location is beyond reach and that missile defense, while effective, is not impenetrable. For Washington, the tests reinforce the deterrent calculus that any military operation against Iran carries serious costs to forward-deployed assets. For Hezbollah and the Houthis, they demonstrate that the central supplier remains capable and committed.

The timing — months after the ceasefire in Lebanon and amid ongoing low-intensity operations — suggests Iran is using the relative calm to rebuild and display capability rather than waiting for the next conflict to demonstrate it.

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