the four minute warning was much derided by critics as completely pointless, as surviving a nuclear strike was neither possible or desireable
"a warning of an impending nuclear attack on the [united kingdom], which would be given if one was detected by radar at raf fylingdales in yorkshire
"the four minute warning was much derided by critics as completely pointless, as surviving a nuclear strike was neither possible or desireable" What is the definition of "four minute warning"?