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Arrow-3 vs JASSM-ER: Side-by-Side Comparison & Analysis

Compare 2026-03-21 4 min read

Overview

This side-by-side comparison of Arrow-3 and JASSM-ER helps defense planners understand which system to choose for specific scenarios. Arrow-3 is an exoatmospheric kinetic kill vehicle interceptor, while JASSM-ER is a stealth cruise missile. Both systems have unique strengths and weaknesses, making this comparison essential for informed decision-making.

Side-by-Side Specifications

DimensionArrow 3Jassm Er
Range 2400 km 1000 km
Speed Mach 9+ Mach 0.8+
Cost ~$3M per interceptor ~$1.4M per missile
Guidance Two-color infrared seeker with mid-course datalink updates INS/GPS with infrared autonomous terminal seeker
Warhead Hit-to-kill kinetic energy 450kg WDU-42/B penetrator warhead
First Deployed 2017 2014
Operators Israel United States Air Force, Australia, Finland, Poland
Stealthiness None Low RCS
Autonomy None Autonomous terminal seeker
Altitude Above 100 km Below 100 km

Head-to-Head Analysis

Range & Coverage

Arrow-3 has a significantly longer range than JASSM-ER, allowing it to engage targets at higher altitudes. However, JASSM-ER's stealthiness and autonomous terminal seeker make it a more effective choice for engaging mobile or relocated targets.
Arrow-3 is better for engaging targets at high altitudes, while JASSM-ER is better for engaging mobile or relocated targets.

Accuracy

Both systems have high accuracy, but Arrow-3's hit-to-kill kinetic energy warhead makes it more effective against ballistic missiles. JASSM-ER's penetrator warhead is more effective against hardened targets.
Arrow-3 is better for engaging ballistic missiles, while JASSM-ER is better for engaging hardened targets.

Cost

JASSM-ER is significantly cheaper than Arrow-3, making it a more cost-effective choice for defense planners. However, Arrow-3's longer range and higher accuracy make it a more effective choice for engaging targets at high altitudes.
JASSM-ER is better for defense planners on a budget, while Arrow-3 is better for engaging targets at high altitudes.

Stealthiness

JASSM-ER's low RCS makes it a more effective choice for engaging targets in dense air defense environments. Arrow-3's lack of stealthiness makes it more vulnerable to air defenses.
JASSM-ER is better for engaging targets in dense air defense environments, while Arrow-3 is better for engaging targets in open environments.

Autonomy

JASSM-ER's autonomous terminal seeker makes it a more effective choice for engaging mobile or relocated targets. Arrow-3's lack of autonomy makes it more vulnerable to countermeasures.
JASSM-ER is better for engaging mobile or relocated targets, while Arrow-3 is better for engaging stationary targets.

Scenario Analysis

Defending against Iranian ballistic missile salvo

Arrow-3's longer range and higher accuracy make it a more effective choice for engaging ballistic missiles. However, JASSM-ER's stealthiness and autonomous terminal seeker make it a more effective choice for engaging mobile or relocated targets.
Arrow-3

Engaging hardened targets

JASSM-ER's penetrator warhead makes it a more effective choice for engaging hardened targets. Arrow-3's hit-to-kill kinetic energy warhead is less effective against hardened targets.
JASSM-ER

Engaging targets in dense air defense environments

JASSM-ER's low RCS makes it a more effective choice for engaging targets in dense air defense environments. Arrow-3's lack of stealthiness makes it more vulnerable to air defenses.
JASSM-ER

Complementary Use

Arrow-3 and JASSM-ER can be used together to provide a layered defense against ballistic missiles and hardened targets. Arrow-3 can engage targets at high altitudes, while JASSM-ER can engage targets at lower altitudes. This complementary use of both systems can provide a more effective defense against a wide range of threats.

Overall Verdict

Arrow-3 is a more effective choice for engaging ballistic missiles and hardened targets, while JASSM-ER is a more effective choice for engaging mobile or relocated targets and targets in dense air defense environments. The choice between these two systems will depend on the specific requirements of the defense mission.

Frequently Asked Questions

What is the main difference between Arrow-3 and JASSM-ER?

The main difference between Arrow-3 and JASSM-ER is their design and purpose. Arrow-3 is an exoatmospheric kinetic kill vehicle interceptor, while JASSM-ER is a stealth cruise missile. Arrow-3 is designed to engage ballistic missiles at high altitudes, while JASSM-ER is designed to engage hardened targets at lower altitudes.

Which system is more effective against ballistic missiles?

Arrow-3 is more effective against ballistic missiles due to its longer range and higher accuracy. However, JASSM-ER's stealthiness and autonomous terminal seeker make it a more effective choice for engaging mobile or relocated targets.

Can Arrow-3 and JASSM-ER be used together?

Yes, Arrow-3 and JASSM-ER can be used together to provide a layered defense against ballistic missiles and hardened targets. Arrow-3 can engage targets at high altitudes, while JASSM-ER can engage targets at lower altitudes.

What are the advantages and disadvantages of each system?

The advantages of Arrow-3 include its longer range and higher accuracy, while its disadvantages include its lack of stealthiness and autonomy. The advantages of JASSM-ER include its stealthiness and autonomous terminal seeker, while its disadvantages include its lower range and accuracy.

What are the potential applications of each system?

The potential applications of Arrow-3 include defending against ballistic missile threats, while the potential applications of JASSM-ER include engaging hardened targets and targets in dense air defense environments.

Related

Sources

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

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