The appearance has been compared to that of the historic USS Monitor and her famous antagonist CSS Virginia. The Zumwalt class has a wave-piercing tumblehome hull form whose sides slope inward above the waterline, which dramatically reduces RCS by returning much less energy than a conventional flare hull form. The vessels' distinctive appearance results from the design requirement for a low radar cross-section (RCS). These ships are classed as destroyers, but they are much larger than any other active destroyer or cruiser in the US Navy. LRLAP procurement was cancelled, rendering the guns unusable, so the Navy re-purposed the ships for surface warfare. The ship is designed around its two Advanced Gun Systems, their turrets and magazines, and unique Long Range Land Attack Projectile (LRLAP) ammunition. The class design emerged from the DD-21 "land attack destroyer" program as "DD(X)" and was intended to take the role of battleships in meeting a congressional mandate for naval fire support. It is a multi-role class that was designed for secondary roles of surface warfare and anti-aircraft warfare and originally designed with a primary role of naval gunfire support. The Zumwalt-class destroyer is a class of three United States Navy guided missile destroyers designed as multi-mission stealth ships with a focus on land attack. 2 × 30 mm (1.2 in) Mk 46 Mod 2 Gun Weapon System įlight deck and enclosed hangar for up to two medium-lift helicopters.2 × 155 mm (6 in)/62 caliber Advanced Gun System 920 round magazine.1 × Vertical Launch Anti-Submarine Missile ( ASROC).4 × RIM-162 Evolved Sea Sparrow Missiles (ESSM),.20 × MK 57 VLS modules, 4 cells per module, 80 launch cells total.2 × propellers driven by electric motorsĪN/SPY-3 Multi-Function Radar (MFR) ( X band active electronically scanned array).2 × Rolls-Royce MT30 gas turbines (35.4 MW (47,500 hp) each) driving Curtiss-Wright electric generators.$4.24B per unit (excl R&D) as of 2016.USS Zumwalt undergoing sea trials in December 2015
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