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MASAD-82-12 1 (1982-01-07)

handle is hein.gao/gaobabcun0001 and id is 1 raw text is: 


                 UNITED STATES GENERAL ACCOUNTING OFFICE     I
                         WASHINGTON, D.C. 20548


MISSION ANALYSIS AND
SYSTEMS ACQUISITION DIVISION

B-205886                                             JANUARY 7,1982



The Honorable John F. Lehman
The Secretary of the Navy                                Iv1II11i Dull1
     Attention: Comptroller of the Navy (NCB-53)            117259

Dear Mr. Secretary:

     Subject: Observations on the Navy's New Guided Missile
                Destroyer--DDGX (MASAD-82-12)

     We have completed our review of the new class guided missile
destroyer (DDGX). This letter discusses a matter that could possi-
bly reduce total Navy expenditures in the coming years without
adversely affecting the accomplishment of the Navy's mission.

     As you know, the design of surface combatants involves numer-
ous tradeoffs that affect their final size, capability, and cost.
Your office has identified a design that it feels will meet the
postulated threat while being constrained by cost and size consid-
erations. In reviewing the proposed DDGX, we found that most
of the DDGX's combat system elements, although quantitatively less
capable, are common with that of the CG-47 class cruisers presently
under construction. Proposed survivability and fuel efficiency
features were stressed in support of the construction of a new
hull.

     In reviewing Navy assessments of the future operating envi-
ronment, the projected threat, mission, and required capability
of the DDGX, we learned that the Navy is designing the proposed
DDGX to accommodate the AN/SQR-19 tactical towed array sonar
(TACTAS). We question the need for a TACTAS equipped DDGX.

     TACTAS, currently under development, is to provide a passive
detection, classification, and tracking capability against enemy
submarines. Specifically, it will be used as a long-range trig-
ger to enable the LAMPS MK III helicopter and other antisubmarine
warfare weapon systems to react for localization of and weapons
delivery against the threat. Because the proposed DDGX will not
be LAMPS MK III equipped and it will be accompanied by LAMPS MK
III equipped surface combatants in the various missions, we

                                                            (951613)


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