Time Zero

To prove his firing pin works, one is exploded at White Sands New Mexico. Plexiglass coffins nicknamed "Gadgets" are constructed for two A-bombs which are placed under the Golden Gate and Bay bridges. The bombs are armed so if it is disturbed it will detonated. The news media is notified that the Gadgets are hot and the deadline for denotation is established. Mitchell has minimal qualifications as a scientist but is about to prove his talent as commander under fire.