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Arrow-3 vs KN-23: Side-by-Side Comparison & Analysis

Compare 2026-03-21 4 min read

Overview

This side-by-side comparison of Arrow-3 and KN-23 highlights their differences and similarities in terms of range, speed, cost, and more. Defense planners can use this analysis to determine which system is better suited for specific scenarios.

Side-by-Side Specifications

DimensionArrow 3Kn 23
Range (km) 2400 690
Speed (Mach) 9+ 6+
Cost (USD) ~$3M Unknown (estimated $3-5M)
Type Exoatmospheric kinetic kill vehicle interceptor Short-range ballistic missile (Iskander-like)
Guidance Two-color infrared seeker with mid-course datalink updates from Green Pine radar Inertial + optical scene matching terminal
Warhead Hit-to-kill kinetic energy (no explosive warhead) 500 kg conventional or nuclear
First Deployed 2017 2019
Operators Israel North Korea, Russia (reportedly received for Ukraine)
Altitude (km) Above 100km Unknown
Accuracy (CEP) Unknown Reportedly >100m

Head-to-Head Analysis

Range & Coverage

Arrow-3 has a significantly longer range than KN-23, allowing it to cover a much larger area. However, KN-23's shorter range is compensated by its ability to perform pull-up maneuvers during the terminal phase, making it harder to intercept. In a scenario where a large area needs to be covered, Arrow-3 is the better choice.
Arrow-3

Accuracy

The accuracy of Arrow-3 is unknown, while KN-23 has reportedly poor accuracy at its maximum range. However, KN-23's ability to perform pull-up maneuvers during the terminal phase can help it evade missile defense systems, making it a more effective choice in certain scenarios.
KN-23

Cost

Arrow-3 is significantly more expensive than KN-23, with a unit cost of around $3 million compared to KN-23's estimated $3-5 million. However, Arrow-3's longer range and ability to intercept ballistic missiles in space make it a more valuable asset in the long run.
Arrow-3

Speed

Arrow-3 has a significantly higher speed than KN-23, with a Mach 9+ compared to KN-23's Mach 6+. This makes Arrow-3 a more effective choice in scenarios where speed is critical.
Arrow-3

Guidance

Arrow-3 uses a two-color infrared seeker with mid-course datalink updates from Green Pine radar, while KN-23 uses an inertial + optical scene matching terminal. In a scenario where accuracy is critical, Arrow-3's guidance system is a more effective choice.
Arrow-3

Scenario Analysis

Defending against Iranian ballistic missile salvo

In a scenario where Iran launches a ballistic missile salvo, Arrow-3 is the better choice due to its longer range and ability to intercept ballistic missiles in space. KN-23's shorter range and poor accuracy at maximum range make it less effective in this scenario.
Arrow-3

Engaging short-range ballistic missiles

In a scenario where short-range ballistic missiles are being launched, KN-23 is the better choice due to its ability to perform pull-up maneuvers during the terminal phase. Arrow-3's longer range and higher speed make it less effective in this scenario.
KN-23

Defending against cruise missiles

In a scenario where cruise missiles are being launched, Arrow-3 is the better choice due to its higher speed and ability to intercept targets at high altitudes. KN-23's shorter range and poor accuracy at maximum range make it less effective in this scenario.
Arrow-3

Complementary Use

Arrow-3 and KN-23 can be used together to provide a layered defense against ballistic missiles. Arrow-3 can intercept ballistic missiles in space, while KN-23 can engage short-range ballistic missiles. This complementary use can provide a more effective defense against a wide range of threats.

Overall Verdict

Arrow-3 is the better choice for most scenarios due to its longer range, higher speed, and ability to intercept ballistic missiles in space. However, KN-23's ability to perform pull-up maneuvers during the terminal phase makes it a more effective choice in certain scenarios. Ultimately, the choice between Arrow-3 and KN-23 depends on the specific requirements of the mission and the capabilities of the system.

Frequently Asked Questions

What is the main difference between Arrow-3 and KN-23?

The main difference between Arrow-3 and KN-23 is their range and guidance systems. Arrow-3 has a significantly longer range and uses a two-color infrared seeker with mid-course datalink updates from Green Pine radar, while KN-23 has a shorter range and uses an inertial + optical scene matching terminal.

Which system is more accurate?

The accuracy of Arrow-3 is unknown, while KN-23 has reportedly poor accuracy at its maximum range.

Can Arrow-3 and KN-23 be used together?

Yes, Arrow-3 and KN-23 can be used together to provide a layered defense against ballistic missiles.

What is the cost of Arrow-3 and KN-23?

The cost of Arrow-3 is around $3 million, while the cost of KN-23 is estimated to be $3-5 million.

Which system is more effective against cruise missiles?

Arrow-3 is more effective against cruise missiles due to its higher speed and ability to intercept targets at high altitudes.

Related

Sources

Jane's Defence Weekly Jane's Information Group official
Defense News Gannett Company journalistic
The Diplomat The Diplomat Media academic
Missile Defense Advocacy Alliance Missile Defense Advocacy Alliance OSINT

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