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1、1NuclearPostureReviewReportNuclearPostureReviewReportApril2010CONTENTSPREFACEiEXECUTIVESUMMARYiiiINTRODUCTION1THECHANGED–ANDCHANGING–NUCLEARSECURITYENVIRONMENT3PREVENTINGNUCLEARPROLIFERATIONANDNUCLEARTERRORISM9REDUCINGTHEROLEOFU.S.NUCLEARWEAPONS15MAINTAININGS
2、TRATEGICDETERRENCEANDSTABILITYATREDUCEDNUCLEARFORCELEVELS19STRENGTHENINGREGIONALDETERRENCEANDREASSURINGU.S.ALLIESANDPARTNERS31SUSTAININGASAFE,SECURE,ANDEFFECTIVENUCLEARARSENAL37LOOKINGAHEAD:TOWARDAWORLDWITHOUTNUCLEARWEAPONS45iNuclearPostureReviewReportiiNucle
3、arPostureReviewReportEXECUTIVESUMMARYInhisApril2009speechinPrague,PresidentObamahighlighted21stcenturynucleardangers,declaringthattoovercomethesegraveandgrowingthreats,theUnitedStateswill“seekthepeaceandsecurityofaworldwithoutnuclearweapons.”Herecognizedthats
4、uchanambitiousgoalcouldnotbereachedquickly–perhaps,hesaid,notinhislifetime.ButthePresidentexpressedhisdeterminationtotakeconcretestepstowardthatgoal,includingbyreducingthenumberofnuclearweaponsandtheirroleinU.S.nationalsecuritystrategy.Atthesametime,hepledged
5、thataslongasnuclearweaponsexist,theUnitedStateswillmaintainasafe,secure,andeffectivearsenal,bothtodeterpotentialadversariesandtoassurePresidentBarackObamaunveilshisvisionforreducingnuclearU.S.alliesandothersecuritypartnersdangersandpursuingthelong-termgoalofa
6、worldwithoutnuclearweaponsinPrague’sHradcanySquareonApr.5,2009.OfficialthattheycancountonAmerica’sWhiteHousephotobyLawrenceJackson.securitycommitments.The2010NuclearPostureReview(NPR)outlinestheAdministration’sapproachtopromotingthePresident’sagendaforreducin
7、gnucleardangersandpursuingthegoalofaworldwithoutnuclearweapons,whilesimultaneouslyadvancingbroaderU.S.securityinterests.TheNPRreflectsthePresident’snationalsecurityprioritiesandthesupportingdefensestrategyobjectivesidentifiedinthe2010QuadrennialDefenseReview.
8、Afterdescribingfundamentalchangesintheinternationalsecurityenvironment,theNPRreportfocusesonfivekeyobjectivesofournuclearweaponspoliciesandposture:1.Preventingnuclearproliferationandnucle