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Exercise Grey Heron · Scenario briefing

ISSUED 10 OCT 2026
Full briefing (PDF)
THREAT LEVEL (JTAC)MODERATE
RUSSIAN POSTUREHYBRID
GAME LENGTH4 MONTHS
CCA 2004HARDENED
DEFENCE READINESS ACTIN FORCE
TURN 1 · NOWENDS 7 NOV 2028
TURN 2ENDS 7 JAN 2029
TURN 3ENDS 30 JAN 2029
TURN 4LASTS 180 DAYS
01 · GLOBAL
  • Ukraine war frozen; Russia rearmed in the Leningrad Military District and Belarus.
  • Trump lame duck presidency. Rubio/Colby vs Ossoff/Whitmer 07.11.2028.
  • China blockading Taiwan.
  • Centre-right governments in Europe.
02 · NATIONAL
  • Defence Readiness Act in force.
  • Civil Contingencies Act places statutory duties on LRFs.
  • Pro-independence governments in Scotland, Wales and Northern Ireland.
  • Burnham government faces elections by May 2029.
03 · VALLEN
  • Mayoral Strategic Authority in place.
  • Police, fire and ambulance coterminous with the MSA.
  • Disinformation narratives active.
  • Rural/urban political divergence.
PREPARATIONS ALREADY IN PLACE
CNIEach household has 5 days' food and water stockpiled.
Emergency services200 staff trained in drone surveillance.
StratcomsCrisis booklet and town-hall meetings.
MSACommunity Emergency Hubs in 80% of settlements.
MilitarySecure database of 9,000 Strategic Reservists.
PDF Read the full scenario briefing, including powers available and how the game runs Download ↓ Return to Sandbox