Browse stories

History glossary

Mutually assured destruction

the Cold War logic that neither nuclear superpower should attack first because both could still destroy the other in retaliation.

Category
Nuclear strategy
Region
Global
Date range
Cold War

What it means

Mutually assured destruction described the grim stability created when both sides possessed survivable nuclear forces. If either side launched a first strike, the other could retaliate with catastrophic force, making victory in nuclear war impossible to define.

Related terms

Stories using this term

A weekly route through history

Find out first about the latest published stories, feature notes and occasional Premium offers in one weekly email.