Grey zone games: Lessons from the 2025 AJUS simulation
Since 2023, the Strategy and Deterrence Program of the Sasakawa Foundation and the United States Studies Centre at the University of Sydney (USSC) have annually convened a strategy simulation involving senior Australian, Japanese, and U.S. (AJUS) experts who respond to a simulated strategic crisis in the Indo-Pacific.
Working in national teams, AJUS experts' draft policy recommendations for their respective political leaderships (simulated by a control team) in responding to the evolving crisis, negotiating both internally and trilaterally in shaping national policy responses. The Strategy Simulation provides an opportunity to refine and ‘stress test’ AJUS trilateral approaches to regional strategy while tracking how AJUS trilateral strategic dynamics are evolving in response to changes in the Indo-Pacific strategic environment.
The 2025 Strategy Simulation was held in Sydney in September and involved senior Japanese, Australian, and U.S. foreign policy and defense experts, including former senior government officials, former flag officers, and academic and think tank experts.
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