Japan Self-Defense Force
Activity and Development Monitor
Priority Intelligence Requirement
"How will the Japan Self-Defense Force (JSDF) evolve in the next 5 years?"
STEMPLES
ASCOPE / PMESII
Drivers & Signals
Cone of Plausibility
Effects
ACH Analysis
Recent Findings
01
JSDF deployed its first counter-strike capabilities on 31 March 2026 — Type 25 SSM (1,000 km) and HVGP marking a fundamental departure from Japan's post-war denial posture.
02
JJOC established March 2025 as Japan's first unified operational command; JS Chokai modified to carry Tomahawk cruise missiles as of March 2026.
03
Record ¥9.04T ($58B) FY2026 defense budget sets 12th consecutive spending record, but set against 240% debt-to-GDP ratio creates acute fiscal ceiling risk by FY2027–2031.