Author Topic: AMDR ships  (Read 19681 times)

Offline JFC Fuller

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Re: AMDR ships
« Reply #15 on: May 31, 2011, 04:07:43 pm »
Seems appropriate for this thread:

Quote
A new surface combatant, previously designated DDG(X), has become the DDG 51 Flight IV, scheduled to begin in 2032 with two ships per year through 2041, except for three ships in 2036. The move means the basic DDG 51 Arleigh Burke-class design, first procured in 1985, will be bought continuously for at least 56 years.

From: http://www.defensenews.com/story.php?i=6677453&c=AME&s=SEA

Offline bobbymike

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Re: AMDR ships
« Reply #16 on: June 01, 2011, 08:59:40 pm »
U.S. Navy's AMDR Program Sets Big Goals

Jun 1, 2011
 
By Michael Fabey

Northrop Grumman and Raytheon see the U.S. Navy’s Air and Missile Defense Radar (AMDR) program as a way to break the stranglehold Lockheed Martin’s Aegis system has on naval integrated ship and ballistic missile defense (BMD). But Lockheed Martin believes the five-decade-long Aegis pedigree should make the company the front-runner for AMDR.

AMDR is the brass ring for Navy radar programs. A solid-state radar designed to provide maritime defense for air, ballistic missile and surface warfare, AMDR will consist of S-band radar for BMD and air defense, X‑band radar for horizon search and a system to control and integrate the radars.

The Navy expects AMDR to be the foundation of scalable radar architecture that defeats advanced threats, the Government Accountability Office (GAO) notes in a report on Pentagon programs released this year. The GAO estimates the cost of the AMDR program at $15.7 billion—about what the Navy now budgets, on average, for annual shipbuilding costs. The GAO states AMDR will cost $2.3 billion for R&D and $13.4 billion for procurement.

The Navy will not release cost estimates, but Capt. Doug Small, program officer for Naval Sea Systems Command (Navsea), acknowledges that GAO used information from the Navy AMDR office to develop its estimates. “We’re working hard to balance a tough set of requirements for this radar with its costs,” Small says.

The Navy wants AMDR to be an ultra-sensitive radar system with more power and agility than the SPY radars used in the Aegis system, which are being enhanced for increased BMD. While the recent Aegis ACB 12 upgrade with its multimission signal processor has added limited integrated air and missile defense (IAMD) capability, AMDR is the first Navy IAMD radar purpose-built for those simultaneous functions. “AMDR is more sensitive than SPY radar,” Small says. “BMD targets drive radar sensitivity. There’s no substitute for having detect-and-track [capability] at a long distance.” But he adds, “To do simultaneous air defense [and BMD], you have to spend less time doing air defense. It’s a radar resource issue.”

http://www.aviationweek.com/aw/generic/story_generic.jsp?channel=defense&id=news/dti/2011/06/01/DT_06_01_2011_p28-323747.xml&headline=U.S.%20Navy%27s%20AMDR%20Program%20Sets%20Big%20Goals
Every normal man must be tempted at times to spit on his hands, hoist the black flag, and begin to slit throats. 
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Offline Grey Havoc

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Re: AMDR ships
« Reply #17 on: June 10, 2011, 11:27:38 am »
Trouble for DDG-51 Flight III? You can count on it.

Offline Grey Havoc

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Re: AMDR ships
« Reply #18 on: June 14, 2011, 05:05:04 am »
U.S. Navy Radar Programs Solidify BMD Commitment


Jun 13, 2011
 
By Michael Fabey
Washington  



Contractors vying for the U.S. Navy’s proposed Air and Missile Defense Radar (AMDR) say they can deliver the system for much less than the government’s cost estimate because of their extensive experience building similar radar programs in recent years.

Such arguments are becoming increasingly important as Washington scrambles to find bill-payers while eyeing expensive defense programs.

The U.S. Government Accountability Office estimates the AMDR would cost $15.7 billion—close to the Navy’s entire annual shipbuilding budget. The service says the estimate is based on data provided by AMDR program officials, but contractors say the GAO calculations rely mostly on historical data on building sophisticated radar systems largely from scratch. That fails to account for technology and production advancements made by other military projects that can be leveraged to develop and deliver AMDR, contractors say.

“Lockheed Martin’s development costs for the AMDR—based on what we understand from the data—is significantly less than the development costs cited by the GAO,” says Brad Hicks, Lockheed’s vice president of naval radar programs.

That Navy AMDR officials did not even flinch at such an estimate indicates their commitment to the program and acceptance of its high cost, as well as the rising importance of ballistic missile defense (BMD) as a Navy mission priority.

AMDR combines an S-band radar for BMD and air defense and an X-band radar for horizon search, with a controller to integrate simultaneous operation of the two. The Navy also is revamping its Aegis radar system to perform BMD missions—while opening up the network to more contractor competition.

The enhanced Aegis system is on its first deployment as part of the U.S.’s European Phased Adaptive Approach for BMD, aboard the Ticonderoga-class guided-missile cruiser USS Monterey CG-61 in the Mediterranean.

The Monterey’s commanding officer, Capt. Jim Kilby, says the enhanced BMD upgrades will lead ship and fleet commanders to rethink how they deploy the upgraded ships. “It’s like how the Tomahawk [missile] was when it first rolled out into the fleet,” he says.

The Navy and Missile Defense Agency (MDA) plan to nearly double the number of BMD-capable Aegis ships to 41 by the end of 2016. Some Pentagon and Navy officials have started to talk openly about possibly changing the U.S. nuclear posture, cutting back from the traditional nuclear triad of intercontinental ballistic missiles, bombers and ballistic-missile submarines to a dyad focused on the Navy and MDA efforts.

But developing the BMD focus takes time and money, as the Aegis system has shown. The February 2008 shoot-down of a defunct U.S. space satellite by the USS Lake Erie CG-70 proved the system’s capability, and an MDA test in April demonstrated its “launch-on-remote” system against an intermediate-range warhead separating from its booster missile. But it took nearly three decades for the Navy and industry to bring Aegis-like capability to the fleet.

“Aegis is a very large, integrated and complex system,” says Bill Bray, director of Integrated Combat Systems for the Navy’s Program Executive Office, Integrated Warfare Systems.

When Aegis baselines were developed in the 1970s, “combat systems were developed for a platform they were landing on and every platform ended up with its own combat system,” Bray says.

Cruisers and destroyers have their own Aegis systems—and certain groups of each ship would get their own baselines, depending on when they were delivered or available for an upgrade. They all have the basic Aegis core, but with different baseline capabilities, integrated systems and system architectures.

This means that when there is a problem, all the baselines have to be addressed; it is not possible to fix just the core software package and redeliver it.

Aegis development cost estimates range from $30 billion to $80 billion, including ship integration, according to some analysts. Even Lockheed Martin says it is not sure, but the latest Aegis system industry standard cost is about $1 billion per ship.

Some critics say an “Aegis Mafia” has started to grow in the Navy, steering the service along any course that benefits the radar system and away from anything that does not. “I don’t buy that ‘Mafia’ reference,” Hicks says. “Yes, we’re the incumbent, but we recognize the importance of the competition and welcome it.”

However, Navsea says it wants to end the “30-year monopolies” of Aegis and some other programs and develop systems that are designed more openly to increase the Navy’s acquisition options.

The Aegis Advanced Capability Build (ACB) upgrades are meant to do just that, starting with ACB 08 in 2008 and continuing next year with ACB 12.

The Navy expects to release a request for proposals by the end of this month for ACB 16, which should open Aegis to a full-fledged competition and move the Navy closer to AMDR development.

Lockheed touts its “Aegis culture” in attempting to capture AMDR work, citing its work on the transmit-receive module packages and digital beam-forming, a key AMDR technology.

The company says it demonstrated AMDR-like beam-forming with the Advanced Radar Technology Integrated System Testbed (Artist), which combines advanced, multifunction S-band active phased-array radars.

Leveraging its work and experience with active, electronically scanned array (AESA) radars for aircraft, Northrop Grumman cites its own digital beam-forming project, the U.S. Marine Corps G/ATOR, which features a panel of AESA radars with distributed receiver and exciter modules for anti-air-warfare modes.

“We don’t see another way around this [AMDR] except with an AESA,” says Arun Palusamy, Northrop Grumman’s director of integrated air and missile defense and naval strategy.

Northrop Grumman also points to its participation in the DDG-1000 Zumwalt-class destroyer program, which initially was planned to mate X‑ and S- band radars in an AMDR-like suite, such as the one being developed for the CVN-78 Ford-class aircraft carrier.

Raytheon, the prime contractor for the DDG-1000 radar system, collaborated with Northrop on the Cobra Judy Replacement program that marries shipboard S- and X-band phased arrays to collect BMD data. Raytheon provides the Cobra Judy Replacement S-band system’s back-end signal processing.

“AMDR is similar to the work to Zumwalt, CVN-78 and Cobra Judy,” says Denis Donohue, Raytheon’s director of above-water sensors.

AMDR will be a magnitude better than anything the Navy has fielded or planned, says Capt. Doug Small, Navsea’s AMDR program official.

Already BMD is causing Navy officers to reexamine their missions. “We’re no longer defending just a ship,” Kilby says. “We’re defending cities. We’re defending whole populations.”


http://www.aviationweek.com/aw/generic/story_generic.jsp?channel=defense&id=news/awst/2011/06/13/AW_06_13_2011_p46-332053.xml&headline=U.S.

Offline Grey Havoc

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Re: AMDR ships
« Reply #19 on: July 10, 2011, 08:44:28 am »
DDG-51 Restart Raises Questions

Jul 8, 2011

 
By Michael Fabey
Washington
 



As requirements grow for the proposed DDG-51 Arleigh Burke Flight III-class destroyers, so does concern that the U.S. Navy may try to pack too much into the ships and end up with a program that is behind schedule and over budget.

The ship was selected as the fastest and most affordable way to endow the Aegis defense system with enhanced ballistic missile defense (BMD) capability. And yet it is the need to field the radar necessary for BMD upgrades that is driving additional requirements for the DDG-51 Flight III.

The radar is the Navy’s proposed Air and Missile Defense Radar (AMDR), which the U.S. Government Accountability Office says will cost the Navy $15.7 billion to develop and procure (DTI June, p. 28). The Navy needs the radar for simultaneous BMD and air defense at a level that is a magnitude better than what it will have with the Aegis upgrades planned through this decade.

The service conducted a hull-radar study that prompted it to reduce procurement of its most advanced destroyer, the DDG-1000 Zumwalt-class, to three from seven and restart the DDG-51 line. The Flight IIIs will be designed through the middle part of this decade because it is faster and more cost-effective to enhance the Aegis system and put AMDR on those ships than the Zumwalts.

“While our radar-hull study indicated that both DDG-51 and DDG-1000 were able to support our preferred radar systems,” Navy officials told Congress, “leveraging the DDG-51 hull was the most affordable option.” The estimated cost for two new DDG-51s is $3.5 billion, while the current price for each Zumwalt is a bit more than $3 billion.

The study is classified, but a former high-ranking Navy officer familiar with it said, “Some pieces of it got hijacked. People who had an agenda drove the study for a solution.”

Analysts and radar component competitors say the Navy pushed to restart the DDG-51 line because of pressure from Aegis supporters in the service to boost that program. Aegis contractor Lockheed Martin, though, denies that there was undue influence within the Navy. Moreover, as the Congressional Research Service (CRS) notes, Aegis warships are “suitable” for BMD because they carry a large arsenal of SM-3 interceptors—destroyers have 90‑96 vertical launch system missile tubes, depending on their flight.

There’s a growing worry, the CRS says, that the Navy will fall short of the number of Aegis-equipped ships it needs, especially for its BMD missions under the European Phased Adaptive Approach, which deploys vessels to European waters to defend allies from ballistic missile attacks.

There is also concern, CRS notes, “that demands from U.S. regional military commanders for Aegis ships for conducting BMD operations could strain the Navy’s ability to provide regional military commanders with Aegis ships for non-BMD missions.”

The DDG-51 restart and Flight III procurement are intended to allay those concerns. The Navy’s 30-year fiscal 2011-40 shipbuilding plan calls for procuring 24 Flight III DDG-51s from 2016-31.

“The 51 class is a top-shelf platform relative to other platforms,” says Mike Petters, CEO of Huntington Ingalls Industries (HII), which builds the ships. “It’s such a good platform, the U.S. Navy decided to go back to it.”

But analysts, industry radar experts and even Navy officials acknowledge the Raytheon dual-band radar being developed for the Zumwalt (and for the Ford-class carrers) would have been tweaked just as easily for BMD. They also say the Zumwalt has other attributes—such as a lightweight composite deckhouse and integrated hybrid-electric propulsion system—that would have compensated for the AMDR’s weight and appetite for power.

AMDR competitor Northrop Grumman is talking about using composites similar to those in the Zumwalt for its DDG-51 Flight III version. The company is teaming up with HII—the former Northrop Grumman shipbuilding unit building the DDG-1000 composite deckhouse as well as the DDG-51—for its AMDR bid.

And there is talk about developing a hybrid drive similar to the Zumwalt’s to provide more power for the AMDR in Flight III.

Analysts and contractors say it’s starting to appear that the Flight IIIs will be heavily modified to accommodate the AMDR. But the Navy’s top shipbuilder executive warns against that course. “Sometimes we get caught up in the glamor of the high technology,” Petters says. “The radars get bounced around. They get changed. Their missions get changed . . . The challenge is if you let the radars drive the ships, you might not get any ships built.”


Article link here

Offline Creative

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Re: AMDR ships
« Reply #20 on: August 11, 2011, 07:30:50 pm »
Additional images.

Offline Grey Havoc

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Re: AMDR ships
« Reply #21 on: August 30, 2011, 11:39:25 am »
Now May Be Time To Weigh Destroyer Options

Aug 30, 2011

 
By Michael Fabey
 
 

With U.S. Navy Secretary Ray Mabus’ recent acknowledgment that the service has a mind to refit its older DDG-51 Arleigh Burke destroyers with hybrid-drive technology as well as design the new Flight III ships with similar propulsions systems, the Navy should take the advice of many defense analysts and do a true analysis of alternatives (AOA) to determine the best course to take for the future fleet.

Analysts have lamented that the Navy has never done a true AOA for destroyers and cruisers to find the best ship fit – upgraded DDG-51s, downgraded DDG-1000 Zumwalts or CG(X), or even something brand new. That criticism came before the Navy talked about retrofitting old Arleigh Burkes and outfitting new ones with costly hybrid drives.

“Although the first Flight III ship would not be procured under Navy plans until [fiscal] 2016, the Navy plans to begin preliminary design work on the Flight III DDG-51 in FY2012,” the Congressional Research Service (CRS) notes in its latest update dated July 27. “An alternative to the Flight III DDG-51 that Congress may wish to consider would be a new-design destroyer that would be more capable in certain respects than the Flight III DDG-51, but more affordable than the CG(X). If development of a new-design destroyer were begun in [fiscal] 2012, the first ship might be ready for procurement as early as [fiscal] 2018.”

The Navy’s proposal to cancel the CG(X) and instead procure Flight III DDG-51s, CRS notes, does leverage “substantial analytical work” from the CG(X) AOA, additional Navy studies that were done to support the 2008-2009 proposal to end DDG-1000 procurement and restart DDG-51 procurement, and the 2009 Navy destroyer hull/radar study that examined options for improving the air defense and ballistic missile defense (BMD) capabilities of the DDG-51 and DDG-1000 destroyer designs through the installation of an improved radar and combat system modifications.

But the CRS report points out that some destroyer and cruiser program skeptics argue, “The CG(X) AOA focused mainly on examining radar and hull-design options for a cruiser with a large and powerful version of the AMDR (Air and Missile Defense Radar), rather than radar- and hull-design options for a smaller destroyer with a smaller and less powerful version of the AMDR.”

Further, CRS cites skeptics’ concerns that, “The Navy’s 2009 destroyer hull/radar study was focused on answering a somewhat narrowly defined question: what would be the lowest-cost option for improving the AAW [anti-air warfare] and BMD performance of a DDG-51 or DDG-1000 by a certain amount through the installation of an improved radar and an associated modified combat system? An adequate analytical basis for a proposed program change of this magnitude would require an AOA or equivalent study that rigorously examined a broader question: given projected Navy roles and missions, and projected Navy and DOD capabilities to be provided by other programs, what characteristics of all kinds (not just AAW and BMD capability) are needed in surface combatants in coming years, and what is the most cost-effective acquisition strategy to provide such ships?”

These are questions a true AOA would answer.

http://www.aviationweek.com/aw/generic/story_generic.jsp?channel=defense&id=news/asd/2011/08/30/01.xml&headline=Now


Offline Grey Havoc

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Re: AMDR ships
« Reply #22 on: September 13, 2011, 11:18:19 am »
GAO Probing U.S. Navy DDG-51 Line Restart

Sep 12, 2011


 
By Michael Fabey
 
 
 
Congressional investigators at the U.S. Government Accountability Office (GAO) are scrutinizing the U.S. Navy’s decision to restart production of DDG-51 Arleigh Burke-class destroyers, a GAO official confirms.

GAO is trying to determine the underlying basis for the Navy decision to select DDG-51 as the “best hull form to meet future surface combatant requirements” Belva Martin, GAO director of acquisition and sourcing management for a variety of programs, including Navy ships, tells Aviation Week.

GAO’s acknowledgment of the investigation comes in the wake of recent Aviation Week news articles and analysis about the impact of the restart decision and updated Navy plans for the Arleigh Burke and DDG-1000 Zumwalt destroyer—the ship-class type whose fleet was truncated to accommodate the additional DDG-51s (Aerospace DAILY, June 28, Aug. 1).

In the beginning and middle of the previous decade, the Navy had been on course to phase out the Arleigh Burkes and build the Zumwalts. The DDG-1000s were to include a raft of Navy-desired technologies including a hybrid-drive propulsion, a composite deckhouse and a Dual-Band Radar that would be a stepping stone for the service’s Air and Missile Defense Radar (AMDR). The DDG-1000s also were designed to incorporate significantly enhanced coastal firepower, for which the U.S. Marine Corps has been clamoring.

The ship appeared to meet all of the requirements that the Navy had established for a new destroyer going back to the 1990s, and the service planned to buy dozens of the new vessels to replace its aging DDG-51 fleet, based on a design going back to the late 1970s. But as the research and development funding mounted—it would wind up being about half of the ship’s $20 billion total program acquisition bill by this year, according to Navy and government reports—opponents began to question whether all the technology would be worth the price.

Still, the program remained on cost and schedule—until the latter half of the last decade when the Navy brass abruptly changed course, truncating the Zumwalt buy to three ships and restarting Arleigh Burke production with an eye toward a redesigned Flight III DDG-51 to accommodate, among other things, AMDR. Indeed, Navy officials say the main impetus behind the destroyer acquisition change was the growing mission need for AMDR and ballistic missile defense (BMD). Citing a “hull-radar” study, the Navy brass said the Aegis defense system-equipped DDG-51s offered the most affordable and quickest way to get BMD-capable ships into the fleet. Zumwalts, they said, would not be able to accommodate the standard missiles used for BMD.

But Navy and industry sources familiar with the hull-radar study say it was narrowly focused and molded to support a Navy preference for Aegis-equipped Burkes. Further, Navy and industry documents and sources say the launching equipment on the Zumwalts can be tweaked relatively easily to accommodate any standard missile. Further, the Zumwalt was designed to support new technological developments for BMD and other missions, while the older DDG-51 design does not.

Navy officials say they want the DDG-51s to be redesigned for technology improvements, but there are no cost projections. As a production model ship, the Zumwalt now will cost about $3 billion and a Flight III DDG-51 less than two-thirds that amount; but analysts expect the DDG-51 projection to grow significantly, especially with the desired technology accommodations.

GAO’s probe will focus on the cost, schedule and other related issues associated with the restart program, Martin says. The report, expected in January, also will examine the DDG-51’s projected ability to integrate new technology, she says, especially AMDR.

A Navy spokesman declined to comment on any GAO investigation, but said Navy comments would be included in the GAO’s report.


   
http://www.aviationweek.com/aw/generic/story_generic.jsp?channel=defense&id=news/asd/2011/09/12/02.xml&headline=GAO

Offline Grey Havoc

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Re: AMDR ships
« Reply #23 on: October 13, 2011, 11:49:08 am »
Not good:

Navy Drops Advanced Radar From Aegis Upgrade

Oct 13, 2011


 
By Michael Fabey
 
 
 
U.S. budget woes have claimed another victim — the required integration of the U.S. Navy’s proposed Air and Missile Defense Radar (AMDR) with its next planned Aegis combat system upgrade.

The Navy is removing the engineering requirements to include its proposed AMDR as a “price competition line item” in the request for proposals (RFP) for the next round of Aegis capability upgrades, known as Advanced Capabilities Build (ACB) 16.

Instead, the AMDR integration engineering “load” requirement will become a “sample problem,” the Navy says. A sample problem, according to those familiar with the proposal, will carry much less weight in the final award decision than a competition line item requirement.

The move is being made, the Navy says, “to account for a reduction in the capabilities/requirements in ACB 16 to align with the latest set of Navy requirements.”

Those familiar with the program say the Navy needed to make the change to better align ACB 16 with budgets. The service had to reduce the scope of the program to be able to afford it.

Navy officials say they have no further comment on the changes at this time. The service anticipates releasing the new RFP amendment Oct. 21.

Lockheed Martin, which is the legacy Aegis prime contractor and is competing for ACB 16, had no comment. A spokesperson from Raytheon, another competitor, says, “We are aware of pending changes to the Aegis RFP and remain committed to delivering a competitive proposal.”

ACB 16 is the planned set of improvements for the vaunted ship shield that would allow it to incorporate advanced technology. The Navy had earlier decided to skip the planned ACB 12 upgrades to address budgetary concerns and to obtain better equipment and software.

One of the core requirements for ACB 16 was supposed to be the inclusion of the AMDR, the Navy’s proposed futuristic radar system that is meant to seamlessly combine ship defense technology with ballistic missile defense (BMD).

AMDR will cost an estimated $15.7 billion to develop and procure, according to the U.S. Government Accountability Office. The Navy says it needs the program to defend its ships against the latest maritime threats while performing BMD, which has become a major mission for the service.

Indeed, U.S. Navy BMD is the cornerstone of President Barack Obama’s Phased Adaptive Approach for missile defense in Europe, and the U.S. is taking significant steps to bolster its Aegis-equipped fleet to meet those mission needs.

The Navy is restarting the DDG-51 Arleigh Burke-class destroyer production line to deploy additional Aegis-equipped vessels more quickly and affordably.
 

Link

Offline Demon Lord Razgriz

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Re: AMDR ships
« Reply #24 on: October 15, 2011, 12:00:48 am »
I saw this coming a mile away.  ::) Why simply fix the issues with the Zumwalt when you can cram a Zumwalt into a Burke, and then fix all those problems?

Offline Moose

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Re: AMDR ships
« Reply #25 on: October 25, 2011, 01:42:51 pm »
I saw this coming a mile away.  ::) Why simply fix the issues with the Zumwalt when you can cram a Zumwalt into a Burke, and then fix all those problems?
Bingo

Offline Grey Havoc

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Re: AMDR ships
« Reply #26 on: December 22, 2011, 11:19:00 am »
Via Militaryphotos.net:

U.S. Destroyer Plans In Doubt

Dec 22, 2011


 
By Michael Fabey mike_fabey@aviationweek.com
WASHINGTON

 
 
 
An exclusive Aviation Week Intelligence Network investigation into the U.S. Navy destroyer fleet and its accompanying combat systems strongly suggests the service will have to upend some $121.8 billion worth of plans for their development, effectively solidifying the grip of incumbent contractors on the work at the very time Navy brass say they’re trying to break such monopolies.

Given rising maintenance costs and the current budget environment, it’s unlikely the Navy will be able to afford newly designed DDG-51s, wholesale new changes to their Aegis systems or the proposed Air and Missile Defense Radar.

The Aviation Week Intelligence Network’s (AWIN) five-part “Come About” series details the Navy’s miscues in building its destroyer fleet and developing an accompanying shipboard combat system. It is the result of a yearlong examination that included scores of interviews with Navy and contractor program officials, defense analysts, subject matter experts, Navy and Pentagon leaders, testing officials and a host of others associated directly or indirectly with the programs. As part of the project, AWIN captured, analyzed and vetted millions of computer records to provide a clearer picture of the funding trends and expectations for these programs.

Even a cursory analysis shows the service could save up to $14.3 billion — according to some government estimates of procurement and life cycle costs — if the service bought DDG-1000 Zumwalt-class destroyers in the coming decades instead of newly designed variants of the venerable DDG-51 Arleigh Burke class, although other factors must be taken into account.

Part of the reason for the systems’ potentially high price tag, analysts note, are the starts, stops and sudden shifts in destroyer fleet plans in recent years. Still, such a potential overall cost disparity — revealed for AWIN subscribers in the “Come About” series — is drawing attention and more analysis in some quarters.

Further feeding that need for greater scrutiny are questions surrounding the Navy’s decision in the latter half of the past decade to truncate the Zumwalt fleet to three ships and restart the DDG-51 Arleigh Burke line — concerns that have prompted a U.S. Government Accountability Office (GAO) investigation that is due to deliver a report in January. The DDG-51 restart is needed, the Navy says, to fulfill the service’s ballistic missile defense (BMD) mission obligations, which envision the destroyers equipped with Lockheed Martin’s venerable Aegis Combat System, ready to take down enemy missiles with Raytheon’s Standard Missile-3 interceptor.

Some analysts speculate that the GAO will recommend that the Navy ditch its current plan to buy more Burkes — including redesigned models in years to come — and build more Zumwalts instead because the DDG-1000s will offer greater growth potential for more weapons and lower life cycle costs, which will likely save the Navy more money in the long run.

What is not speculation, though, is that Navy officials have provided contradictory and often misleading public statements about what destroyers they need and why. Neither Burkes nor Zumwalts were designed specifically for BMD, but the Navy brass has contended the DDG-1000s could not accommodate Standard Missiles — a contention that is untrue, according to Navy documents, analysts and industry sources.

Another indisputable fact is that the current fleet of destroyers and their Aegis Combat Systems needed for missile defense are a maintenance mess. It could cost the price of an entire new destroyer or more just to get the vessels and systems shipshape and an additional untold sum of money to keep the Burkes and their radar systems in good working order through the coming decades.

It is this huge repair bill, plus mounting maintenance costs and the budgetary battles being waged on Capitol Hill, that make top naval analysts think it is unlikely the Navy will be able to afford the newly designed Burkes, wholesale new changes to the ships’ Aegis shields or the proposed Air and Missile Defense Radar, the supposed linchpin for future BMD.

Subscribers to AWIN can find links to the entire Come About series, as well as supporting data tables, graphics and links to pertinent sources, by clicking here. [Link at original article]
 

Article
« Last Edit: December 22, 2011, 11:23:26 am by Grey Havoc »

Offline Grey Havoc

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Re: AMDR ships
« Reply #27 on: August 01, 2012, 04:15:53 am »
From Navy Recognition, by way of MilitaryPhotos.net:




Quote
Lockheed Martin has submitted its final proposal to the U.S. Navy to design, build, integrate and test the new Air and Missile Defense Radar (AMDR) for the future DDG-51 Flight III class destroyer. The scalable AMDR S-band radar and radar suite controller will provide significantly increased sensitivity for simultaneous long-range detection and engagement of advanced anti-ship and ballistic missile threats.

http://www.navyrecognition.com/index.php?option=com_content&task=view&id=537

Offline Triton

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Re: AMDR ships
« Reply #28 on: March 04, 2013, 01:59:18 pm »
"Radar Blip"
By Michael Fabey Washington
Source: Aviation Week & Space Technology
February 25, 2013

Source:
http://www.aviationweek.com/Article.aspx?id=/article-xml/AW_02_25_2013_p10-545494.xml

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It is the best of times and the worst of times for the U.S. Navy's air and missile defense radar (AMDR) program.

On the technological and program front, AMDR is in fine shape. The competing contractors tout the capability and affordability of their suites and systems, while the leading platform for the ship—the Flight III Arleigh Burke DDG-51-class destroyer—is proceeding as planned.

But there is the impact of sequestration, now slated to take effect on March 1, under the 2012 U.S. Budget Control Act. In such an austere scenario, the only relief afforded to the Navy and other services would be authority for reprogram funding.

In deciding how to reprogram money, Navy officials will have to decide whether to fund maintenance and support for existing missions or for vital but future service needs such as AMDR or the Littoral Combat Ship (LCS). That could be a losing game, officials acknowledge, for assets yet to come. This is especially true as current—and improved—vessel platforms and systems such as the SPY radar-based Aegis system suite are proving capable for ship and ballistic missile defense (BMD).

The choice of which contractor to develop and build AMDR likely will depend on which team offers the best price in meeting the Navy's requirements, according to officials at Northrop Grumman, one of the competitors.

“The requirements are out there,” says Carl Herbermann, Northrop Grumman's director of surface radar development. Instead of trying to increase performance, he says, Northrop can focus on the best cost savings for levels set by the Navy.

Government Accountability Office (GAO) estimates say AMDR will cost $2.2 billion for R&D and $13.2 billion for up to 24 radars, although industry sources say it can be done for much less. AMDR is slated to have a 15-dB gain over SPY-1D. Patrick Antkowiak, Northrop Grumman's vice president and general manager for advanced concepts and technologies, declines to say whether the GAO estimates are correct, but acknowledges affordability will be key. Northrop Grumman and competitors Lockheed Martin and Raytheon say the technology has advanced quickly and become more affordable. Navy officials agree

Offline JFC Fuller

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Re: AMDR ships
« Reply #29 on: March 04, 2013, 02:57:16 pm »
Triton, thanks for posting,

It is worthy of comment that after all the posturing and scheming throughout the 90s and early 2000s we are back to an Arleigh Burke with a improved AC, upgraded generators and new radars.