Scary! USA 20 mm MK 15 - Phalanx Close-In Weapon System (CIWS) In Action

Video: Scary! USA 20 mm MK 15 - Phalanx Close-In Weapon System (CIWS) In Action

Phalanx CIWS - Close-In Weapon System (CIWS)
The Phalanx CIWS defends navy ships against a variety of anti-ship threats, such as anti-ship missiles and aircraft, small high-speed surface craft, helicopters and surface mines. Phalanx is the only deployed CIWS capable of autonomous search, detection, evaluation, tracking, engagement and kill-assessment functions.

The Block 1B Surface Mode configuration builds on earlier capabilities with the addition of an Optimized Gun Barrel (OGB) for an improved dispersion pattern and an integrated Forward-Looking Infrared System. The new OGBs are 18 inches longer than the original M61A1 gun barrels, are substantially thicker, and include both a barrel brace and muzzle restraint to improve longevity and projectile dispersion patterns. The Enhanced Lethality Cartridge provides a 50 percent increase in penetration mass. The Phalanx FLIR provides a unique capability to search, track and engage littoral warfare threats while simultaneously providing a significant improvement in ASM engagement

Phalanx Technical Specifications

Gun Type: M61A1 20mm cannon
Weight 13,600 pounds (6,169 kg)
Rate of fire Dual fire rate, 3,000 or 4,500 shots per minute
Electric power Three-phase, 440V, 60 Hz, 18kw in search, 70kw in track
Gun drive Pneumatic
Magazine: 1550-round enhanced lethality cartridge
Mount drive: Electric
Search radar: Ku-band, digital MTI
Track radar: Ku-band, pulse doppler monopulse
EO sensor: FLIR imaging system with automatic ACQ tracker
Seawater cooling: 20gpm, 30psig

Video by Lt.Cmdr. Russell Wolfkiel, Jonathan Snyder, Petty Officer 3rd Class Benjamin Davella, Petty Officer 1st Class Tim Comerford
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