The MK 15 Phalanx Close-In Weapons System (CIWS - pronounced "sea-whiz") is a fast-reaction, rapid-fire 20-millimeter gun system that provides US Navy ships with a terminal defense against anti-ship missiles that have penetrated other fleet defenses. Designed to engage anti-ship cruise missiles and fixed-wing aircraft at short range, Phalanx automatically engages functions usually performed by separate, independent systems such as search, detection, threat evaluation, acquisition, track, firing, target destruction, and ceasefire.
CIWS has been a mainstay self-defense system aboard nearly every class of ship since the late 70s. It was originally designed to defeat low-altitude anti-ship cruise missiles (ASCMs). As anti-ship cruise missiles became more complex in maneuvers and ability to be detected, and warfare areas moved from the open ocean to littoral environments, CIWS has evolved to meet the threat.
The Phalanx is a necessity for U.S. naval ships to enter disputed seas or seas with a U.S. adversary conducting “Anti-access/area denial” (A2/AD) operations within the territory. A2/AD is an increasing issue in areas such as the South China Sea and the Baltic territories. Without systems such as the Phalanx, U.S. naval vessels would be vulnerable to cruise missiles, ballistic missiles, or aerial attacks. Having the capability to shoot down incoming threats can give U.S. sailors confidence to maintain the balance of power on the sea.
Specifications
Guidance system: Ku-band radar and FLIR
Effective firing range: 1,625 yd (1,486 m) (max. effective range)
Maximum firing range: 6,000 yds (5,500 m)
Caliber: 20×102 mm
Barrels: 6-barrel (progressive RH parabolic twist, 9 grooves)
Muzzle velocity: 3,600 ft/s (1,100 m/s)
Variants: 3
#CIWS #Navy #Weapons
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Video Credits:
United States Navy
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14 мар 2021
