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Chinook helicopter above a coastal military logistics base, with supply crates, vehicles, a maintenance shelter and a naval vessel offshore.

From Fire Force to Sovereign Defence: An Australian Doctrine for Mobility, Sustainment and Resistance to Coercion

How can Australia make better use of the force it already has? SAGE Strategic Intelligence Brief #012 examines lessons from Rhodesian Fire Force to propose sovereign mobile defence—an Australian conventional doctrine built around joint integration, domestic sustainment and resilience against Chinese Threshold Conditioning, within forecast defence budgets.

Photorealistic illustration of a U.S. warship undergoing shipyard maintenance at dusk, with a thin red harbour boom across the foreground.

America’s Thin Red Line: Threshold Conditioning and the Exploitation of U.S. Strategic Overextension

America’s military superiority depends on its ability to sustain global commitments. SIB 011 examines how strategic overextension and defence industrial constraints can enable Threshold Conditioning, weaken allied readiness and increase pressure on Washington—and why Australia must strengthen sovereign capability, diversify supply and build greater strategic resilience.

The Space Between Articles 4 and 5: NATO’s Threshold Conditioning Problem

Russia is exploiting the space between NATO consultation and collective defence. SIB #010 examines how Threshold Conditioning can normalise cumulative hostile activity—and proposes Threshold Deterrence as a mechanism for imposing progressively greater collective costs without sacrificing escalation control.

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