Phalanx CIWS: The Last Defense, On Ship and Ashore

Phalanx on JS Hyuga

MK.15 IB on JS Hyuga
(click to view full)

February 8/22: South Korea The US Senate foreign relations committee has been notified on a potential sale of four more Phalanx Close-In Weapons System (CIWS) Block 1B Baseline 2 (IB2) systems to South Korea. Two of those systems were approved by the Biden administration in December 2020 and the new request builds on that Foreign Military Sale package. The new proposal is to cost the South Korea taxpayer $129 million.

 

 

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Phalanx, firing (click to view full) The radar-guided, rapid-firing MK 15 Phalanx Close-In Weapons System (CIWS, pron. “see-whiz”) can fire between 3,000-4,500 20mm cannon rounds per minute, either autonomously or under manual command, as a last-ditch defense against incoming missiles and other targets. Phalanx uses closed-loop spotting with advanced radar and computer technology to locate, identify and direct a stream of armor piercing projectiles toward the target. These capabilities have made the Phalanx CIWS a critical bolt-on sub-system for naval vessels around the world, and led to the C-RAM/Centurion, a land-based system designed to defend against incoming artillery and mortars. This DID Spotlight article offers updated, in-depth coverage that describes ongoing deployment and research projects within the Phalanx family of weapons, the new land-based system’s new technologies and roles, and international contracts from FY 2005 onward. As of Feb 28/07, more than 895 Phalanx systems had been built and deployed in the navies of 22 nations. The Phalanx Platform: Competition, Upgrades & Developments [youtube:v=lrre7STy5Pw] click for video The MK 15 Phalanx system was originally developed as a last-ditch defense against enemy missiles, and possibly aircraft. It weighed in at around 13,600 pounds, and carries 1,550 rounds of 20mm ammunition. As […]

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