given reflects the different assr:mptions naae. the united states is considered fubject to a given ( sirnultaneous ) attack. For comparison, the requirernent for attacks r,rith similar consequences on the USSR are examined' Assumed. attacks against the USSR] 2 3 f+ I 2 3 l+Percentage of total industTy at risk ?\ 50 52 a/ The attacks 1-l+ assurte 100, 200, 300 and.500 1Mt. weapons respectlvely' aimed. at the To fargest metropolitan and industrial centres in the United States' To each case another 200-300 weapons of 100 ht' yield have been added' b/ Casualties were estinated from the 1 Mt' veapons only' c/ Numbers outside the Barentheses refer to a hypothetical attack with 1 l{t' r^,eapo; on1y, whereas those within parentheses asslxte an attack vith !0 kt' veapons ."fi. lttactr lto. )+ assrmes tbe 2OO largest metropolitan and industrial areas of theUssRtobetargeted'ands,ttackNo.lthel0largestaleasexcludingMoscow. d/ Numbers have been rounded to the nearest five'Assumed attacks against the United States Attack mrmber a/ Attack Total popul-ation m.mber at risk (mi11) L) at 20Total warheads and r^mhe ra^rr i rcd 300-l+00 4oo-5oo 500-6oo ?oo-B0oTotal megaton equivalents 1U+-156 *)+-266 3\)+466 5t+l+-566Total b/ casualtiei (milf) l+o -60 50-70 6o-80 70-90 Total warheads c/ and bonbs required 26 ( 181) 90 ( soo ) 1Ir\ ( 63] ) 303 (1 014 )P--^Ah+Eda ^ftotal industry destroyed 35_\5 )+ t-60 60_65 Total rnegaton c/ -^rrirro'l ente 26 (2i) 90 (l}o) 1\)+ (86) 303 (138)A/35/392 Brglish Annex
**Analysis**
This text appears to be a scenario analysis of the potential consequences of a nuclear attack on the United States and the USSR. The text focuses on the number of warheads, megaton equivalents, casualties, and industrial destruction, which suggests that it is related to the potential effects of a nuclear conflict on the economy, industry, and population.

**Category**
Industry, Health