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The deterrent efficacy of such a system clearly depends on other nuclear-armed nations having foreknowledge of it. The Soviet Union used a fail-deadly system known as Dead Hand (codenamed "Perimeter"); after the collapse of the Soviet Union, Russia retained the system (although it is now only activated in times of crisis). [citation needed]
In nuclear ethics and deterrence theory, no first use (NFU) refers to a type of pledge or policy wherein a nuclear power formally refrains from the use of nuclear weapons or other weapons of mass destruction (WMD) in warfare, except for as a second strike in retaliation to an attack by an enemy power using WMD.
A successful nuclear deterrent requires a country to preserve its ability to retaliate by responding before its own weapons are destroyed or ensuring a second-strike capability. A nuclear deterrent is sometimes composed of a nuclear triad, as in the case of the nuclear weapons owned by the United States, Russia, China and India.
The fact that nuclear proliferation has led to an increase in the number of nations in the "nuclear club", including nations of questionable stability (e.g. North Korea), and that a nuclear nation might be hijacked by a despot or other person or persons who might use nuclear weapons without a sane regard for the consequences, presents a strong ...
TOKYO (Reuters) -Foreign and defence ministers from Japan and the United States will hold security talks on July 28 that for the first time will cover "extended deterrence", a term used to ...
The U.S. and South Korea signed joint nuclear deterrence guidelines for the first time, a basic yet important step in their efforts to improve deterrence toward North Korea's evolving nuclear threats.
The U.S.-based Arms Control Association said it understood U.S. nuclear weapons strategy and posture remained the same as described in the administration's 2022 Nuclear Posture Review, and there ...
Perimetr-PTS, otherwise known as "мёртвая рука" (the Dead Hand) within Russia, is a Russian nuclear deterrence developed to automatically launch ballistic missiles as a retaliatory attack in the event that the Russian command and control system is destroyed in a surprise decapitation strike.