as bob mackenzie showed us in this report in 2001 some people went a step further and built a shipper -- a shelter to defend them from the brother and sister. >> reporter: americans would have six or seven hours note to evacuate their city s if the soviets sent nuclear bombers. the plan was for at least 1 million bay area citizens to head north toward marin, napa and sonoma county. you can still see a concrete build constructed in the 50s with a basement containing what's left of a california state command and control center. communications gear of all kind, maps of all the california counties. lists of the shelters in every town, all gathering dust now. from this windowless room with 18-inch thick concrete walls, the governor of the state could presumably hunker down and direct rescue and shelter operations throughout the state. provided of course that there were still personnel out there to carry out the orders. but when the soviets developed a rocket capable of launching a small satellite, the fear took hold in earnest. the russians cold not only take a plan but could deliver it in