Don't forget: Jump off your bike and roll up against the curb as soon as you see the flash. Ah, the good old days. I think my favorite was a PSA during the Cuban missile crisis showing us how to build our own emergency fallout shelter in case of nuclear attack.
1.) Remove a solid door from the house.
2.) Take it outside and prop it up against a north facing wall.
3.) Shovel dirt on top of it.
We all felt so much safer after viewing that one.