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美军武器系统的可靠性也是令人堪忧

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发表于 2016-4-30 20:40:18 | 显示全部楼层 |阅读模式

MEMORANDUMFORPRINCIPALDEPUTYUNDERSECRETARYOFDEFENSE(ACQUISITION,TECHNOLOGYANDLOGISTICS)
SUBJECT:StateofReliability
IamwritingtounderscoretheimportanceofsystemreliabilityasamajorproblemforDepartmentofDefense(DoD)acquisitions.Poorreliabilityisaproblemwithmajorimplicationsforcost.Inparticular,wehaveanopportunitytochangesystemdevelopmenttosubstantiallyreducefieldedsystemsustainmentcosts.Thefollowingdatademonstratessustainmentcosts-whicharerelateddirectlytoreliability-dominatetotalsystemcosts:

TypeSystemRDT&EProcurementOperations&Sustainment
FixedWingFighters9%30%62%
GroundSystems4%24%73%
RotaryWing6%29%64%
SurfaceShips1%31%68%
SustainmentcostshavefivetotentimesmoreimpactontotallifecyclecoststhandoRDT&Ecosts.Unreliablesystemshavehighersustainmentcostsbecause,quiteplainly,theybreakmorefrequentlythanplanned.Ifweimprovesystemreliabilityindevelopmentitwillreducesustainmentcost.StudiesDOT&Ehassponsoredindicateatleastaseven-foldpaybackforthisup-frontinvestmentinbetterreliability.
Discussionsthathaveoccurredamongourstaffsparticipatinginthere-convenedReliabilityWorkingGroupindicatethatthereissomequestionastowhetherreliabilityisanimportantissue,andtherealsoappeartobequestionsaboutthemeritsofthereliabilitystandardANSI/GEIA-STD-0009.

看来不断采用新技术,又要保证可靠性也不容易啊,不过比国内武器系统可靠性还是要高不少。

RDT&E:产品开发、测试与验证
DOT&E:美国防部作战试验与评估处
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