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Zumwalt-class destroyer
The ''Zumwalt''-class destroyers are a class of United States Navy guided missile destroyers designed as multi-mission stealth ships with a focus on land attack. The class emerged from the previous DD-21 vessel program. The program was previously known as the "DD(X)". The class is multi-role and designed for surface warfare, anti-aircraft warfare, and naval gunfire support. They take the place of battleships in filling the former congressional mandate for naval fire support,〔Section 1011 of the National Defense Authorization Act for Fiscal Year 1996 (Public Law 104-106; 110 Stat. 421)〕 though the requirement was reduced to allow them to fill this role. The vessels' appearance has been compared to that of the historic ironclad warship.
The class has a low radar profile; an integrated power system, which can send electricity to the electric drive motors or weapons, which may someday include a railgun or free-electron lasers; automated fire-fighting systems and automated piping rupture isolation. The class is designed to require a smaller crew and be less expensive to operate than comparable warships. It will have a wave-piercing tumblehome hull form whose sides slope inward above the waterline. This will reduce the radar cross-section, returning much less energy than a conventional flare hull form.
The lead ship is named for Admiral Elmo Zumwalt, and carries the hull number DDG-1000. Originally 32 ships were planned, with the $9.6 billion research and development costs spread across the class, but the quantity was reduced to 10, and finally to 3, greatly increasing the cost-per-ship.〔 The cost increase caused the U.S. Navy to identify the program as being in breach of the Nunn–McCurdy Amendment on .〔("Managing Affordability Industry Death Spiral UKUS" ). Strategy&〕
==History==
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