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Arrow-3 vs David's Sling: Side-by-Side Comparison & Analysis

Compare 2026-03-21 5 min read

Overview

In this side-by-side comparison, we analyze the key differences between Arrow-3, Israel's exoatmospheric kinetic kill vehicle interceptor, and David's Sling, a medium-to-long-range air defense system. Understanding the strengths and weaknesses of each system is crucial for defense planners to make informed decisions about which system to choose for specific scenarios.

Side-by-Side Specifications

DimensionArrow 3Davids Sling
Type Exoatmospheric kinetic kill vehicle interceptor Medium-to-long-range air defense system
Origin Israel – IAI/Boeing joint development Israel – Rafael/Raytheon
Operators Israel Israel, Finland (ordered)
Range (km) 2400 300
Speed Mach 9+ Mach 7.5
Guidance Two-color infrared seeker with mid-course datalink updates from Green Pine radar Dual-mode RF/EO seeker (Stunner interceptor)
Warhead Hit-to-kill kinetic energy (no explosive warhead) Hit-to-kill (Stunner), fragmentation (SkyCeptor)
First Deployed 2017 2017
Unit Cost (USD) ~$3M per interceptor ~$1M per Stunner interceptor
Significance Only operational exoatmospheric interceptor outside US SM-3. Intercepts ballistic missiles in space before reentry, providing widest defensive footprint of any Israeli system. Fills gap between Iron Dome (short-range) and Arrow (long-range). Designed specifically to counter Hezbollah's heavy rocket and cruise missile threat.

Head-to-Head Analysis

Range & Coverage

Arrow-3 has a significantly longer range than David's Sling, with a range of 2400 km compared to David's Sling's 300 km. This makes Arrow-3 better suited for defending against long-range ballistic missile threats. However, David's Sling's shorter range is compensated by its ability to engage targets at lower altitudes, making it more effective against cruise missiles and drones.
Arrow-3 is better for long-range ballistic missile defense, while David's Sling is better for medium-range air defense and countering cruise missiles and drones.

Accuracy

Both systems have high accuracy, with Arrow-3's two-color infrared seeker and David's Sling's dual-mode RF/EO seeker allowing for precise targeting. However, Arrow-3's ability to intercept targets in space gives it an advantage in terms of accuracy, as it can engage targets before they reenter the atmosphere.
Arrow-3 is more accurate due to its ability to intercept targets in space.

Cost

David's Sling is significantly cheaper than Arrow-3, with a unit cost of around $1M compared to Arrow-3's $3M. This makes David's Sling a more cost-effective option for defense planners.
David's Sling is more cost-effective due to its lower unit cost.

Speed

Arrow-3 is significantly faster than David's Sling, with a speed of Mach 9+ compared to David's Sling's Mach 7.5. This makes Arrow-3 better suited for engaging high-speed targets.
Arrow-3 is faster and better suited for engaging high-speed targets.

Guidance

Both systems have advanced guidance systems, with Arrow-3's two-color infrared seeker and David's Sling's dual-mode RF/EO seeker allowing for precise targeting. However, Arrow-3's ability to receive mid-course datalink updates from Green Pine radar gives it an advantage in terms of guidance.
Arrow-3 has an advantage in terms of guidance due to its ability to receive mid-course datalink updates.

Scenario Analysis

Defending against Iranian ballistic missile salvo

In this scenario, Arrow-3's ability to intercept targets in space and its longer range make it the better choice. Its ability to engage targets at high altitudes also makes it more effective against long-range ballistic missiles.
Arrow-3

Countering Hezbollah's heavy rocket and cruise missile threat

In this scenario, David's Sling's ability to engage targets at lower altitudes and its shorter range make it the better choice. Its ability to engage cruise missiles and drones also makes it more effective against Hezbollah's threat.
David's Sling

Defending against a large-scale air campaign

In this scenario, both systems have their strengths and weaknesses. Arrow-3's ability to intercept targets in space and its longer range make it effective against long-range ballistic missiles, while David's Sling's ability to engage targets at lower altitudes and its shorter range make it effective against cruise missiles and drones.
Both systems have their strengths and weaknesses in this scenario.

Complementary Use

In some scenarios, both Arrow-3 and David's Sling can be used together to provide a layered defense. For example, Arrow-3 can engage long-range ballistic missiles, while David's Sling can engage cruise missiles and drones. This complementary use can provide a more effective defense against a wide range of threats.

Overall Verdict

In conclusion, Arrow-3 and David's Sling are both effective air defense systems, but they have different strengths and weaknesses. Arrow-3 is better suited for long-range ballistic missile defense, while David's Sling is better suited for medium-range air defense and countering cruise missiles and drones. Defense planners should carefully consider the specific threats they face and choose the system that best meets their needs.

Frequently Asked Questions

What is the main difference between Arrow-3 and David's Sling?

The main difference between Arrow-3 and David's Sling is their range and purpose. Arrow-3 is an exoatmospheric kinetic kill vehicle interceptor with a range of 2400 km, while David's Sling is a medium-to-long-range air defense system with a range of 300 km.

Which system is more accurate?

Arrow-3 is more accurate due to its ability to intercept targets in space.

Which system is more cost-effective?

David's Sling is more cost-effective due to its lower unit cost.

Can both systems be used together?

Yes, both systems can be used together to provide a layered defense.

What are the strengths and weaknesses of each system?

The strengths and weaknesses of each system are discussed in the head-to-head comparison section.

Related

Sources

Jane's Defence Weekly Jane's Information Group official
Defense News Gannett Company journalistic
The Jerusalem Post The Jerusalem Post Group journalistic
Missile Defense Advocacy Alliance Missile Defense Advocacy Alliance OSINT

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