SCAE v3.2.1UNCLASSIFIED // FOUO // EXERCISE — EXERCISE — EXERCISE2026-03-07 13:06:25Z

Game-Theoretic Scenario Engine

Branching pathways with trigger points, confidence ranges, and off-ramp identification

Off-Ramp Decision Point Escalation
System

Crisis Trigger Event

Iranian IRGC fast boats harass U.S. Navy destroyer in Strait of Hormuz; warning shots fired

3 possible responses
U.S.40%

Diplomatic Protest + Force Posture

Formal diplomatic protest via Swiss channel; carrier strike group repositioned; no kinetic response

2 possible responses
Off-RampIran30%

De-escalation Signal

Iran claims incident was defensive; back-channel communication opens

Iran70%

Continued Harassment

Further provocations in Strait; mining threat signals; proxy alerts in Iraq

1 possible response
U.S.55%

Graduated Pressure

Enhanced sanctions; naval escort operations; diplomatic coalition building

1 possible response
Off-RampSystem

Negotiated De-escalation

Back-channel negotiations via Oman/Qatar; ceasefire framework; sanctions adjustment discussion

U.S.35%

Proportional Naval Response

Targeted strike on IRGC naval facility; accompanied by diplomatic messaging emphasizing limited intent

2 possible responses
Iran60%

Proxy Activation

Hezbollah rocket attacks on northern Israel; Houthi anti-ship missile launch; Iraqi militia mortar attacks on U.S. bases

1 possible response
U.S.65%

Multi-Theater Response

Strikes on proxy infrastructure; enhanced force protection; Israeli coordination

Iran40%

Asymmetric Retaliation

Cyber attacks on U.S. financial infrastructure; mine-laying in Strait approaches

1 possible response
U.S.70%

Cyber Counter-Strike

Retaliatory cyber operations against Iranian infrastructure; mine countermeasures

U.S.25%

Escalatory Military Response

Broader strikes on IRGC infrastructure; cyber operations against C2 networks

1 possible response
Iran80%

Full Spectrum Response

Ballistic missile strikes on Gulf bases; full proxy activation; Strait closure attempt; nuclear program acceleration

1 possible response
System

Regional Crisis Escalation

Multi-front conflict; global energy disruption; humanitarian emergency; diplomatic crisis

Node AnalysisG-ROOT

Crisis Trigger Event

System
Scenario Description

Iranian IRGC fast boats harass U.S. Navy destroyer in Strait of Hormuz; warning shots fired

HIGH Confidence

This outcome is well-supported by historical precedent and current intelligence indicators. Key assumptions are well-established.

Possible Responses (3)
Diplomatic Protest + Force Posture
40%

Formal diplomatic protest via Swiss channel; carrier strike group repositioned; no kinetic response

Proportional Naval Response
35%

Targeted strike on IRGC naval facility; accompanied by diplomatic messaging emphasizing limited intent

Escalatory Military Response
25%

Broader strikes on IRGC infrastructure; cyber operations against C2 networks

Applicable Game-Theoretic Concepts
Incomplete InformationSignalingCommitment ProblemReputation EffectsMisperception Risk