Thegroundsforoppositionwerevarious,passionate,andnotneces sarily
consistent.Sixdistinguishedscientists—HansBethe,HerbertYork,George
Kistiakowsky,JamesR.Killian,WolfgangPanofsky,andGeorgeRathjens—testified
inMarchthattheABMwasnotreliable;itwastoo technologicallycomplexto
functionwithadequateaccuracy.AsecondargumentwasthatevenifABM
functionedasplanned,itcouldberelativelyeasilydefeatedbyvariousSoviet
countermeasures.Carriedawaywithenthusiasmforthislineofreasoning,
ProfessorBetheinapublic sessionoutlinedfivescientificmethodstodefeatour
ABMsystem.
Ontheotherhand,theallegedlyineffective,unreliable,andeasilydefeated
ABMsystemwasconsideredamenacebecauseitmightsparkanarmsraceandin
theprocessmightwellweakenthedeterrenteffectofstrategicweapons.Building
anABM,itwasargued,impliedthatwemightawaitaSovietattackandseekto
rideitout,whilethebetterstrategywastolettheSovietUnionbelievewewould
launchourmissilesimmediatelyonwarningofanattack:“IfIweretheRussians,”
saidSenatorFrankChurchbeforeSenatorGore’ssubcommittee,“andknewthat
animmediatecounterlaunchofMinutemenwouldbetheAmericanresponseto
anyfirststrikeagainsttheUnitedStates,Iwouldbefarmorereluctanttolaunch
theattackthanifIthoughttheUnitedStatesmightrelyuponadefensivesystem
inwhichI,asaRussian,hadcontempt.Inotherwords,itseemstomethatthe
verydefensivesystemyouaretalkingabout…mightevenleadtheRussiansto
concludethattheymighthazardafirststrike.”TheSenatordidnotexplainwhy
hewouldfeelmoresecurewhentheUnitedStatescouldprotectitselfonlybya
hair‐triggerresponsewithinthe fifteen‐minutemaximumwarning timeavailable,
astrategythatcouldnotworkunlessthePresidentdelegatedauthoritytofield
commanderstolaunchonthefirstwarningofSovietmissiles—awarningthat
latermightormightnotprovecorrect.
OthersarguedthattheneedforourABMwasbasedonexaggerated
estimatesoftheeffectivenessoftheSovietABMdeployedaroundMoscow.
However,thecriticscontendedthatitmadenodifferenceeveniftheSovietshad
builtaneffectiveABM.AnAmericanABMprogram,whatevertheprovocationfor
it,wouldusherinanewroundofthearmsracethreateningtotheprospectsfor
talksonstrategicarmslimitation.ItwasnotexplainedwhyanAmericanABMstill
manyyearsinthefuturewouldjeopardizetheprospectsforstrategicarms
limitationwhileanexistingSovietABMsystemaroundMoscowwouldnot.