Duck and cover.
The rather silly "duck and cover" exercises.
The threat of nuclear war has become a symbol for the stresses and problems of living in the modern age that are often complex, insidious, and over which the average citizen often feels little control. The threat of war, including nuclear war, continues to be a major source of worry for youth and adolescents. Worry over nuclear war, however, recedes with age and by adulthood most people do not spend too much time worrying about the threat of nuclear war, most people do little about the threat of nuclear weapons, even though the majority of the population favor a nuclear freeze. Even if they do worry, most individuals tend to respond to the threat of nuclear weapons with a sense of helplessness and avoidance of the issues.
The threat of nuclear war
Schools taught children what to do in case of an attack. There were air raid drills in schools and students practiced taking shelter under their desks.
The threat that nuclear weapons would be used.
end of the cold war
Kenedy faced challenges from the spread of communism and the continuing threat of nuclear war. He was enthusiastic and committed to change. This lead to his being able to achieve the first agreement with the Soviet Union limiting nuclear testing.
Korea.
No, there is not imminent threat of Iran building this past summer, a National Intelligence Estimate on Iran's nuclear capabilities was released showing that Iran was 10 years away from building a nuclear weapon. This estimate represents a consensus among the U.S. intelligence agencies. Nuclear war or atomic war is war in which nuclear weapons are use.
You should know, the world is still threatened by nuclear war. Every powerful country have nuclear weapons.
concern with international crises and the threat of nuclear war
The term "Broken Arrow" is used to indicate a nuclear accident involving a nuclear weapon that does't pose the threat indicated. The term "excursion" (as in nuclear excursion) or "criticality accident" is applied to a nuclear reactor or nuclear material accident, respectively.