suffice to cause """u""lpt"lf-" destruction" of either the USSR or the United' ?I/ A. KaLz, "Economic and Social United-States", United States Senate, Affairs" 96th Congress, Iirs-r, SessionConsequences of Nuclear Attacks on the Coriaittee on Banking, I{ousing and Urban ( l.larctr 1979 ) . 22/ Trre concept of riequivalent megatonnage" has been introduced' to take """o.r# .i--trr"-i""i that thle area covered by blast does not increase linearly vith weapon yie1d. rt i"-;fi";; as tne 2i3 power of the actual yield exp"esse'I in Mt. For instancq, if the yield is 1oo kt' = o'1 Mt., then the equivalent ;;*;i;t";;; i. o.tz/z = o'?2' see also fisure 11 in chap' rr' t...^/ 35 / 392 English Annexpase Bf States" Thus a number of reports 23/ indicates that very heaqr' damage could beinflicted on either super-power by-relatively few veapons aimei ai ciucia:-targets ' This is ilfustrated by table )+. The report z\/ fuom which these tabreshave been taken also ind.icates that the nucLear arsenal] needed to launctr even theheaviest attacks given in the tabre would be available even after a surprisecounterforce attcck. lrr particular, each of the thl,ee maJor types ot ae]iverysystem (long-range bombers, ICBMs or SLBI{s ) would retain the nr.mber of nuclear'T/reapons necesse.ry to inflict very heavy danage. ?! (a) "Data Base and Damage Criteria for Measurernents of Arms L,iroitationnffects or] trtar Supporting Industry", aCle/WfC_e)+e, I97\,(l) Offiee of Technol-oglr Assessr0ent e op. cit, (") G. Kemp, 'rNuclear Force for Medium povers, part f. Targets and WeaponSystems" Part II and IlI . Strategic Bequirements an<l Optionst'; Adelphi papers 106 and 107, Internstional Institute for Strategic Studies, London 19?h. 2V Urrit.a States Senate, Coondttee on Bankinpq, Housing and Urban Affaj.rs,on. cit "Al35 /39? -F-ngr1s n Annex Page 82 TABI,E I+. WLNERASILITY TO COUNTERVAI,IIE ATTACK Tables have been adapted frour A. Katz, (op. cit.)' The asyrnmetry in the data