PAC-3 CRI vs Fattah-2: Cost-Exchange Ratio & Combat Analysis
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2026-03-21
3 min read
Overview
This analysis compares the PAC-3 CRI, a US Terminal (cost-red) system costing $3.5M per unit, against the Fattah-2, an Iranian Hypersonic RV costing $3.5M per unit. The cost-exchange ratio of 1.0:1 favors the defender — meaning interception is cheaper than the attacking munition. Cost Reduction Initiative variant of PAC-3 with 90% of MSE capability at lower unit cost Hypersonic glide vehicle warhead on solid-fuel booster, claimed Mach 13+
Side-by-Side Specifications
| Dimension | Pac 3 Cri | Fattah 2 |
|---|
| Unit Cost |
$3.5M |
$3.5M |
| Cost-Exchange Ratio |
1.0:1 |
1.0:1 |
| Range |
Terminal (cost-red) |
1400 km |
| Inventory |
~700 |
~30 |
| Annual Production |
200/yr |
— |
| Role |
Terminal (cost-red) |
Hypersonic RV |
| Manufacturer |
Lockheed Martin |
Iran / IRGC |
| Fuel |
Solid rocket |
— |
Head-to-Head Analysis
Cost-Exchange Economics
The PAC-3 CRI costs $3.5M per unit while the Fattah-2 costs just $3.5M, creating a 1.0:1 cost-exchange ratio. Favorable for the defender — one of the few matchups where interception is cheaper than the threat.
The PAC-3 CRI is one of the rare cases where the defender has a cost advantage, with interception cheaper than the threat.
Inventory & Depletion
Coalition forces have approximately 700 PAC-3 CRI interceptors with annual production of 200 units. Iran maintains an estimated 30 Fattah-2 units. The PAC-3 CRI is already 50% depleted vs operational requirements.
Coalition holds an inventory advantage, but at 1.0:1 cost ratio, this is offset by economics.
Tactical Engagement
The PAC-3 CRI engages the Fattah-2 during the terminal phase. With 1400km range, the Fattah-2 can be launched from deep within Iranian territory, complicating launch detection. 90% of MSE capability at 83% cost.
The PAC-3 CRI is designed to counter threats like the Fattah-2, but sustained engagement at 1.0:1 cost ratios creates long-term sustainability challenges.
Scenario Analysis
Mass salvo of Fattah-2 missiles
In a saturation attack using Fattah-2 systems, the PAC-3 CRI battery would need to engage multiple targets simultaneously. At $3.5M per interceptor, a salvo of 1 Fattah-2 missiles would cost $3.5M to launch but $3.5M to intercept.
Fattah-2
Extended conflict (30+ days)
Over 30 days of sustained combat, the PAC-3 CRI inventory faces significant depletion pressure. Annual production of 200 units translates to just 0.5 per day — far below consumption rates during active operations. Meanwhile, Iran produces approximately 3.3 ballistic missiles and 6.7 drones per day.
Attacker (Iran) — production outpaces defender replenishment
Complementary Use
The PAC-3 CRI should be integrated into a layered defense architecture, not relied upon as a standalone solution against Fattah-2 threats. Cost-effective lower-tier systems (Iron Dome at $80K, or Iron Beam laser at $2/shot) should handle cheaper threats when possible, preserving expensive PAC-3 CRI interceptors for high-value targets.
Overall Verdict
The PAC-3 CRI vs Fattah-2 matchup produces a 1.0:1 cost-exchange ratio favoring the defender. For sustained conflict planning, interceptor production ramp-up and cost-reduction programs are critical to maintaining defensive capability.
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