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Mk 15 Phalanx Block 1/1A  
Initial Operational Capability (IOC): 1988
Total Production: ?
Also Known As: CIWS and Close-In Weapon System
Origin: United States of America
Corporations: Raytheon
Parent System: Mk 15 Phalanx
Initial Operational Capability (IOC): 1980
Total Production: 932
Family Members: Centurion, Mk 15 Phalanx Block 0 and Mk 15 Phalanx Block 1B
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Description: The Phalanx CIWS advanced radar-controlled gun system provides "last chance" defense for ships against anti-ship missiles and aircraft. It automatically detects, tracks and engages anti-air warfare threats such as anti-ship missiles and aircraft. It features a 20mm M-61A1cannon (with rotating cluster of 6 barrels), search and track radar and FLIR in the Block 1B model. To date, the United States Navy and 20 allied nations have purchased more than 850 Phalanx systems.

The Phalanx Block 1A adds increased rate of fire, increased ammunition, a high-order language computer and expanded radar envelopes to counter modern (supersonic and sea-skimming) anti-ship missiles. Phalanx Block 1 fires a 20mm sabot projectile with a tungsten penetrator instead of depleted uranium penetrator.

Phalanx close-in weapon systems were provided to Type 42 destroyers, Royal Fleet Auxiliary's Fort Victoria and Fort George, Landing Platform Helicopter (LPH) and HMS Ark Royal aircraft carrier. The Royal Navy will upgrade 16 Phalanx Block 1A to Block 1B standard from 2007. The first two upgraded Phalanx Block 1Bs are expected to enter service in May 2008 onboard HMS Southampton destroyer. In late 2006 the Royal Navy inventory included 36 Phalanx gun systems.

Mk 15 Phalanx Block 1/1A Applications

Fighting Ships Asagiri CV 67 John F. Kennedy Eilat Kang Ding Kongo LHD 1 Wasp LPD 4 Austin LSD 41 Whidbey Island LSD 49 Harpers Ferry MEKO 200 Murasame Ocean Osumi Takanami Type 42

Mk 15 Phalanx Block 1/1A Specifications

Magazine Capacity: 1,550
Main Gun Caliber: 20 millimeter
Max Rate of Fire: 4,500 roundperminute
Weight: 6,120 kilogram (13,492 pound)
CEP: Circular Error Probable
Meters (m)   Kilometers (km)   Nautic Miles (nm)   Inch (in)   Yard (yd)   Foot (ft)   Millimeter (mm)
Pound (lb)   Kilogram (kg)   kN (KiloNewton)   Ton (t)
Meters per Second (mps)   Kilometers per Hour (kph)   Knot (kt)   Miles per Hour (mph)
Liter (l)   Galon (gl)
Year (yr)   Minutes (min)   Second (sec)
Shaft-Horse-Power (shp)

Mk 15 Phalanx Block 1/1A News

There are 3 news between
15 Jul 2008 and 16 Dec 2015
Wednesday, December 16, 2015FMS: Taiwan Asks for 21 Phalanx Close In Weapon Systems
Friday, May 15, 2009Raytheon Awarded Phalanx 1B Contract
Tuesday, July 15, 2008FMS: Israel Requests up to Four Littoral Combat Ships

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