title: Diyaaradda 'Doomsday plane' ee ciidamada cirka, oo uu madaxweynuhu ku dagaalami karo dagaal nukliyeer ah, waxay u baahantahay dayactir
abstract: Diyaaradda E-4B ee Ciidamada Cirka, oo loogu magac daray "Diyaaradda Qiyaamaha" sababtoo ah awooddeeda amarka iyo xakamaynta nukliyeerka, ayaa lagu dayactirayaa lana cusbooneysiinayaa.