Fail-deadly

Fail-deadly is a concept in nuclear military strategy that encourages deterrence by guaranteeing an immediate, automatic, and overwhelming response to an attack, even if there is no one left to trigger such retaliation.Template:Citation needed The term fail-deadly was coined as a contrast to fail-safe.

Fail-deadly can refer to specific technology components, or the controls system as a whole. The United Kingdom's fail-deadly policies delegate strike authority to submarine commanders in the event of a loss of command (using letters of last resort), ensuring that even when uncoordinated, nuclear retaliation can be carried out.<ref>Template:Cite book</ref>

See also

• AN/DRC-8 Emergency Rocket Communications System
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• Dr. Strangelove
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• Mutual assured destruction (MAD)
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• Two Generals' Problem