Dated, but increasingly relevant.
Above is a compilation of the UK “Protect & Survive” series from 1980; see also the Protect & Survive pamphlet. Related UK materials here. Note that the attack sirens and other warnings will differ here in the FUSA.
Below is a US Civil Defense film from the Sixties:
See also this CD film from 1969:
This post will be in the left margin under “Practical Resources”.
In the meantime, having reviewed the unclassified nuclear weapons effects material, Deputy Assistant Undersecretary For
Mass Casualty Fallout Minimization Affairs Greenwood assures all of us that our Federal government will keep us safe in the extremely-unlikely event of a multiple sunrise here in the FUSA.