By: Natalie Treloar
Strategic competition in the Indo-Pacific increasingly occurs in the grey zone, the space between routine statecraft and open armed conflict. China, North Korea, Russia, and Iran employ a range of coercive tactics designed to alter the strategic environment without triggering a conventional military response. These activities include cyber operations, maritime harassment, disinformation campaigns, economic coercion, and limited military provocations. Because these actions remain deliberately below the threshold of war, they often exploit the reluctance of states to respond with force. As grey zone competition intensifies, the question confronting policymakers is not only how to deter such activities, but also how to ensure that responses to them are credible. In this context, a nuclear alliance could serve as the ultimate strategic backstop for military responses to persistent grey zone coercion.
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