the methods, plans, and procedures involved in establishing and exercising defensive measures against the effects of an attack by nuclear weapons or radiological warfare agents. It encompasses both the training for, and the implementation of, these methods, plans, and procedures., meetodid, plaanid ja protseduurid, mis on seotud tuumarelvade või radioaktiivsete ründeainete rünnaku mõjude suhtes loodud ja võetud kaitsemeetmetega