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Deterrence existed long before nuclear weapons were invented and has been a feature of relations between antagonistic tribes and states since such relationships first existed. The concept of deterrence, convincing an adversary not to carry out an undesirable action by threatening them with harm, is widely understood and applied in military and nonmilitary contexts.

Space is often referred to as the 'fourth dimension' of warfare, characterised by its own doctrines, strategies and operations.