Weapon Systems

Advanced Precision Kill Weapon System adds precision guidance to rockets

2024-09-10

The APKWS converts Hydra 70 unguided rockets into laser-guided precision munitions, offering a cost-effective way to destroy targets while minimizing collateral damage in close combat.

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US Marines load a 7cm rocket configured with Advanced Precision Kill Weapon System II onto an AH-1Z Viper at Marine Corps Air Station Yuma, Arizona, on March 29, 2018. [US Marine Corps]
US Marines load a 7cm rocket configured with Advanced Precision Kill Weapon System II onto an AH-1Z Viper at Marine Corps Air Station Yuma, Arizona, on March 29, 2018. [US Marine Corps]

The Advanced Precision Kill Weapon System (APKWS) is a cost-effective solution designed to transform unguided rockets into highly accurate munitions potentially capable of destroying enemy unmanned aerial systems (UASs).

The APKWS adds a laser guidance kit to the Hydra 70 unguided rocket, converting them into laser-guided precision munitions.

The enhanced accuracy offers a cost-effective way to destroy targets while minimizing collateral damage in close combat.

The APKWS is designed to provide a more affordable alternative to larger and more expensive precision-guided munitions and enables platforms to engage soft and lightly armored targets more accurately.

The system's innovative design integrates the guidance section between the Hydra 70's high-explosive warhead and motor, making it compatible with existing rocket inventories and requiring minimal modifications to launch platforms.

Both fixed-wing and rotary-wing aircraft can carry Hydra rockets, though it is most commonly seen on the AH-64 Apache Longbow and AH-1 Cobra.

Laser technology

One of the standout features of the APKWS is its use of Distributed Aperture Semi-Active Laser Seeker (DASALS) technology.

Unlike traditional laser-guided weapons that house the seeker in the nose, the DASALS system places the laser seekers in the leading edge of each of the rocket's forward control canards. This unique configuration not only protects the optics from potential damage during adjacent rocket firings but allows the rocket to acquire targets from a wider range of angles and positions.

The system enables the rocket to adjust mid-flight, ensuring it stays on course to its target, whether the target is moving or stationary.

The laser seeker is capable of detecting targets from as far away as 14km, providing a significant standoff distance that enhances the safety of the launch platform.

This precision is complemented by the Hydra's impressive range and speed.

The rocket can engage targets up to 5,000m away, striking with accuracy in fewer than five seconds.

Ongoing development efforts aim to extend the APKWS's range to between 12 and 15km, further increasing its operational flexibility.

The APKWS can also combat the growing threat of drone strikes and UASs.

In June 2021, the APKWS demonstrated its ability to intercept and destroy a Class 2 UAS using a proximity fuze. This test highlighted the system's versatility and cost-effectiveness in addressing the growing threat of enemy drones.

By utilizing its laser guidance and proximity fuze, the APKWS offers an alternative for UAS interception costing less than more-complex systems.

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