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Korean Active Protection System 한국형 능동방호체계
First prototype of the XK2 integrated with the KAPS, unveiled in February 2012
Type	Hard-kill active protection system
Place of origin	South Korea
Production history
Designer	Agency for Defense Development (system) Hanwha Thales (interceptor grenade)
Designed	2006-2011
Manufacturer	Hanwha Systems
Specifications
Mass	3.5 kg (interceptor grenade)
Caliber	100 mm (interceptor grenade)
Muzzle velocity	120 m/s (interceptor grenade)
Effective firing range	10 m to 15 m

The KAPS (Korean Active Protection System; Hangul: 한국형 능동방호체계; Hanja: 韓國型能動防護體系) is an active protection system developed by the Agency for Defense Development (ADD) and Hanwha Thales (now Hanwha Systems) for K2 Black Panther in 2011. It was decided to introduce a hard-kill active protection system to strengthen the survival of South Korean main battle tanks (MBT), and the development was completed under the leadership of ADD from 2006 to December 2011.

Design

The KAPS is a hard-kill active protection system that instantly destroys an enemy’s incoming anti-tank guided missile (ATGM) or rocket projectile targeted at a tank by counter-firing at it using its detection and tracking data, and can significantly improve the survivability of main battle tank. Unlike the guided disturbance type soft-kill active protection system, it consists of two search and tracking radars, two IR trackers, one fire control computer, two grenade launchers and four interceptor grenades.

Based on the location, distance, and speed information of the approaching rocket or missile, FMCW radar and laceration trackers calculate detection and tracking information, and based on this, the fire control computer controls threat judgment and countermeasure to issue a countermeasure command with a grenade launcher. The FMCW radar detects rockets and AGTM flying 100 to 150 meters from the tank, and when the projectile approaches 10 to 15 meters near the tank, it fires 100 mm of grenade from the grenade launcher to neutralize the projectile.

The initial design of KAPS considered the development of a method consisting of a ring-shaped grenade launcher and a closed type cylindrical shaped grenade launcher that can fire two 100 mm grenades. Since then, to protect the grenade and reduce the weight of the grenade launcher, the design has been changed to an open type launcher with a grenade connected to the ignition plug in a cylindrical tube fixed to the ring.

The grenade launcher is designed to move in a two-axis manner and can fire grenades within the range of 60 degrees above and below. 2 grenade launchers capable of firing 100 mm grenades aim in the same direction to prepare for the threat of successive rockets to the tank or the attack of AGTM.

Improvements

In July 2023, the Defense Acquisition Program Administration (DAPA)'s tank division began work to improve the system as part of K2's product improvement program (K2 PIP). The newly improved KAPS for combat in changing urban environments will be a combined active protection system to counter ATGM and drone attacks. Research and development is currently underway at the Agency for Defense Development and sources claim the improved KAPS has lower production costs than the KAPS-2, which was developed based on the Israeli Trophy APS adopted in the export variant K2EX.

Installation test

ADD and DAPA conducted the test of KAPS in February 2012. In this test, the KAPS successfully intercepted RPG-7 and Metis-M rockets approaching 10 to 15 meters in front of the tank in 0.2 to 0.3 seconds.

Status

The KAPS was developed for the K2 Black Panther, but it was not installed on the K2 due to high production costs, concerns about damage to infantry, and problems that Multispectral Screening Smoke Grenade (MSSG) soft-kill and hard-kill active protection systems could not be used at the same time. The K2 tank currently being mass-produced is equipped with only a MSSG soft-kill active protection systems, and in the future, KAPS will be installed in the K2 PIP, an improved variant of the K2.

In October 2023, Hyundai-Rotem unveiled a prototype amphibious infantry fighting vehicle called the N-WAV (Next generation Wheeled Armoured Vehicle) equipped with KAPS.

References

1. ^ Agency for Defense Development (4 April 2012). "Open-type propulsion device for rapid launching interceptor of active hard-kill system" (PDF). Korean Intellectual Property Office. Archived from the original (PDF) on 16 December 2023. Retrieved 16 December 2023.
2. Agency for Defense Development (5 June 2014). "Methodology of System Alignment using Angular Error Compensation Among Multi-Axes" (PDF). Journal of the Korea Institute of Military Science and Technology. 17 (3): 342–349. doi:10.9766/KIMST.2014.17.3.342. ISSN 1598-9127. Archived from the original (PDF) on 7 August 2022. Retrieved 7 August 2022.
3. ^ Agency for Defense Development (5 June 2014). "Performance Analysis of Missile/Rocket Defense System for RPG-7 Defense of Main Battle Tank" (PDF). Journal of the Korea Institute of Military Science and Technology. 17 (3): 350–357. doi:10.9766/KIMST.2014.17.3.350. ISSN 1598-9127. Archived from the original (PDF) on 9 February 2022. Retrieved 9 February 2022.
4. ^ Agency for Defense Development (5 April 2011). "Method of MBT Movement Modeling for Performance Analysis of SRMD System" (PDF). Korea Science. Archived from the original (PDF) on 9 February 2022. Retrieved 9 February 2022.
5. ^ Kim Hojun (28 February 2012). "軍, 대전차미사일 자동추적ㆍ파괴체계 개발". Yonhap News Agency. Archived from the original on 9 February 2022. Retrieved 9 February 2022.
6. ^ Kang Pilseong (28 February 2012). "대전차 미사일 방어용 '능동파괴체계' 개발". KTV. Archived from the original on 9 February 2022. Retrieved 9 February 2022.
7. Agency for Defense Development (27 January 2011). "Open-type launcher for active protection system" (PDF). Korean Intellectual Property Office. Archived from the original (PDF) on 16 December 2023. Retrieved 16 December 2023.
8. Agency for Defense Development (27 January 2011). "Closed-type launcher for active protection system" (PDF). Korean Intellectual Property Office. Archived from the original (PDF) on 16 December 2023. Retrieved 16 December 2023.
9. Park Seong-gyun (19 December 2023). "K2전차 성능개량 사업". Defense Acquisition Program Administration. Archived from the original on 22 June 2024. Retrieved 22 June 2024.
10. Lee Seung-jun (25 March 2024). "K2전차 성능개량사업 준비". Defense Today. Archived from the original on 23 June 2024. Retrieved 23 June 2024.
11. Valpolini, Paolo (2023-10-17). "ADEX 2023 - Hyundai Rotem unveils its N-WAV 8x8 IFV prototype". EDR Magazine. Retrieved 2023-11-17.

External links

• Armoured fighting vehicle equipment
• Weapons countermeasures
• Land active protection systems
• ADD research and development projects