B-52B, AF Serial Number 52-8711, waxay gashay adeegga hawlgalka iyada oo 93rd Heavy Bombardment Wing (93rd BW) oo ku taal Castle Air Force Base, California, 29 Juun 1955. Garabku wuxuu noqday mid shaqeynaya 12 Maarso 1956. Tababarka shaqaalaha B-52 wuxuu ka koobnaa shan toddobaad oo dugsi dhulka ah iyo afar toddobaad oo duulimaad ah, kuna urursanaya 35 ilaa 50 saacadood hawada. Hawlgallada hore waxay ahaayeen dhibaatooyin la isku halleyn karo; marka lagu daro sahayda, waxaa sidoo kale jiray arrimo farsamo.
Saldhigga Cirka ee Castle