Page 6. MAINE COASTAL NEWS November 2013 BIW Launches DDG 1000 ZUMWALT
From Naval Sea Systems Command BATH -- General Dynamics Bath Iron Works successfully launched the Navy’s fi rst Zumwalt-class destroyer 28 October at their Bath shipyard.
The future USS Zumwalt (DDG 1000) will be the lead ship of the Navy’s newest destroyer class, designed for littoral opera- tions and land attack.
The ship began its translation from Bath
Iron Works’ land-level construction facility to a fl oating dry dock on Friday. Once load- ed into the dry dock, the dock was fl ooded and the ship was removed from its specially designed cradle. By late Monday, the dock had been fl ooded and the ship was fl oated off and tied to a pier on the Kennebec River. “This is the largest ship Bath Iron Works has ever constructed and the Navy’s largest destroyer. The launch was unprecedented in both its size and complexity,” said Capt. Jim Downey, the Zumwalt-class program manager for the Navy’s Program Executive Offi ce, Ships. “Due to meticulous planning and execution, the operation went very smoothly. I’m extremely pleased with the results and applaud the combined efforts of the Navy-industry team.”
Construction began on DDG 1000 in February 2009, and the Navy and its industry partners have worked to mature the ship’s design and ready their industrial facilities to build this advanced surface combatant. Zumwalt is currently more than 87 percent complete, and the shipbuilder will continue remaining construction work on the hull prior to planned delivery late next year. Because of the complexity of the fi rst- of-class ship, the Navy will perform a two- phase delivery process. Bath Iron Works will deliver the ship itself to the Navy in late 2014. Upon delivery, the Navy will then conduct combat systems activation, tests and trials, to include multiple underway periods. The ship is expected to reach its initial operating capability in 2016. The ship, the first of three Zum- walt-class destroyers, will provide indepen- dent forward presence and deterrence, sup-
port special operations forces and operate as part of joint and combined expeditionary forces. The Navy has incorporated many new technologies into the ship’s unique tumblehome hull, including an all-electric integrated power system and an Advanced Gun System, designed to fi re rocket-pow- ered, precision projectiles 63-nautical miles. The shape of the superstructure and the arrangement of its antennas signifi cantly reduce the ship’s radar cross section, making the ship less visible to enemy radar at sea. The design also allows for optimal manning with a standard crew size of 130 and an aviation detachment of 28 Sailors thereby decreasing lifecycle operations and support costs.
The lead ship and class are named in honor of former Chief of Naval Operations Adm. Elmo R. “Bud” Zumwalt Jr., who served as chief of naval operations from 1970-1974.
As one of the Defense Department’s
largest acquisition organizations, PEO Ships, an affi liated PEO of the Naval Sea Systems Command, is responsible for exe- cuting the development and procurement of all major surface combatants, amphibious ships, special mission and support ships and special warfare craft. DES TROYERS – DDG
DDG 51 and DDG 1000 destroyers are warships that provide multi-mission offen- sive and defensive capabilities. Destroyers can operate independently or as part of carrier strike groups, surface action groups, amphibious ready groups, and underway replenishment groups. Features
Guided missile destroyers are multi-mis-
sion [Anti-Air Warfare (AAW), Anti-Sub- marine Warfare (ASW), and Anti-Surface Warfare (ASUW)] surface combatants. The destroyer’s armament has greatly expanded the role of the ship in strike warfare utilizing the MK-41 Vertical Launch System (VLS). Features unique to DDG 1000: Eighty peripheral vertical launch system (VLS) cells, two Advanced Gun System (AGS)
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155 millimeter (mm) guns, and two 57mm Close In Guns (CIGS). A stern boat ramp for two 7 meter (m) Rigid Hull Infl atable Boats (RHIBs), designed with room for two 11m RHIBs. Aviation capacity for two MH- 60R or one MH-60R and 3 VT Unmanned Aerial Vehicles (UAVs). It will be powered by an Integrated Power System (IPS) with an Integrated Fight Through Power (IFTP). This is created by an Advanced Induction Motor (AIM). A Composite superstructure with integrated apertures and low signature profi le. Advanced sensors including a SPY- 3 Multi-Function Radar. A wave-piercing “Tumblehome” hull form. Background Technological advances have improved the capability of modern destroyers culmi- nating in the Arleigh Burke (DDG 51) class replacing the older Charles F. Adams and Farragut class guided missile destroyers. Named for the Navy’s most famous de- stroyer squadron combat commander and three-time Chief of Naval Operations, the
DDG 1000 ZUMWALT in the dry dock.
DDG 1000 ZUMWALT fl oating in the Kennebec. Photographs: U. S. Navy
USS Arleigh Burke was commissioned July 4, 1991, and was the most powerful surface combatant ever put to sea. Like the larger Ti- conderoga-class cruisers, DDG 51’s combat capability centers around the Aegis Weapon System (AWS). AWS is composed of the SPY-1D multi-function phased array radar, advanced AAW and ASW systems, VLS, and the Tomahawk Weapon System. These advances allow the Arleigh Burke-class to continue the revolution at sea. The Arleigh Burke class employs all- steel construction and is comprised of three separate variants or Flights; DDG 51-71 represent the original design and are desig- nated Flight I ships, DDG 72-78 are Flight II ships, DDG 79 and follow ships are built to the Flight IIA design.
Like most modern U.S. surface com- batants, DDG 51 utilizes gas turbine propul- sion. Employing four General Electric LM 2500 gas turbines to produce 100,000 total
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