Just ran across this -- a nationwide nuke drill in 1954 with NYC, DC, Chicago highlighted:

https://www.youtube.com/watch?v=f6zO_gdRQ9I


Another, bigger one in 1955:

https://www.youtube.com/watch?v=X_f2al0WMTU


NYC civil defense drill - 1953

https://www.youtube.com/watch?v=H8l_HNRmkPc

1951 -- biggest nuke drill in America to-date

https://www.youtube.com/watch?v=cGt04no33FI


Fortunately, everyone had the benefit of the government's civil defense films, such as this jewel from 1951. Today, little Tony would have the added benefit of a bicycle helmet. And the radiation app on his smartphone.


https://www.youtube.com/watch?v=IKqXu-5jw60


.