explosion was a Broken Arrow incident in which a bomb detonated at the local air force base, destroying the town. The accident shocked the world from the brink of war. The blast crater is contained under a radiation proof dome - "The Peace Dome" - which serves as a memorial. Sally kept quiet about Harry being in the fallout shelter so that the children would no longer be exposed to his obsessive survivalism. External links 1987 American television episodes The Twilight Zone (1985 TV series season 2) episodes Survivalism in culture fr:Sans abri (La Cinquième Dimension)