. . . . . 41. 42. 43. 44, 45. 46. 47. TIME in SAMPLE FOR WIDESPREAD ATTACK NEVER EXCEEDED 70 PERCENT oF TIME 50 Percent or Time Rapiation Errects or Two 10-Mt Grounp Bursts on WASHINGTON Hours oF Lire 1n ORDINARY SHELTER AND WAITING Time ror Rescue as Foncrion or Distance/Doss ALTITUDES aT WuicH Frrenpty CoMMANDER CouLp Uss NoucugarR Wardeaps or Various Yieups For Various LEVELS o¥ PopuLaTION PRoTEcTION FCDA 40-Person SHELTER Proposep SHELTERS OF AMERICAN MACHINE AND Founpry Co. SRI Pusiic SHeitrer (SHowinG VerticaL SEcTION) RernrorceD-Room SHELTER Famity Outpook SHELTER Improvisep Famity SHELTER 49 51 52 53 54 55 56 60 61 62 RES 35. Fautiour Conprtions Fottowine Arrack on 5 AuaG 55 36-38. RapiaTion Levers OccurrRinc Various PEKCENTAGES OF TABLES THE CENTER OF WASHINGTON AND THE District LINE 3. Trarric Lanes Servina PopuLaTions oF FivE UrBAN TARGETS 4, Warninc Time or Bomper Attack 5. Popuuation DisTRipvTION OF WASHINGTON FOR VARIOUS Evacuation TIMES 6. Some Errecrs oF Evacuatinag Masor Target PopuLaTions TO SMALLER Towns 7. PERCENTAGE TARGET PopuLaTion KILLED IN ATTACKS OF VARIOUS SizE anp CEP rox Various Crvit DEFENSE ACTIONS 8. Winp PaTrERN AND BEARING AS FUNCTION OF SEASON 9. Deatus FroM Fauiout as Funcrion oF Arrack Size, CEP, AND SEASON 10. TARGETS AND NUMBER OF WEAPONS IN Mock WIDESPREAD ATTACK 11. Costs or Pusiic AND Famity SHELTERS vii 16 17 20 22 28 32 41 45 50 59 ~ 2 ya 1. CHaARaAcTERIBTICS OF TARGET CITIES 2. SHetrer Capacity Now AVAILABLE BETWEEN 4 MILES FROM & RY