# multi-domain operations

China’s Southern Military Turns Cross‑Domain Joint Drills into a Routine Tool to Harden Forces

China’s Southern Theatre Command is institutionalizing cross‑domain joint drills—linking sea, air and land units through integrated command systems and realistic scenario training—to harden wartime readiness. The routineization of such exercises boosts the PLA’s coordinated response but raises risks of faster escalation and complicates regional security calculations.