Japan’s Controlled Exit from Postwar Exceptionalism
Defence Export Liberalisation, Allied Industrial Integration, and the Repositioning of Japan within Western Defence Supply Chains
23 pages · PDF · 24 April 2026 · Licensed single-user copy, watermarked to the buyer
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About this report
Japan’s defence posture is commonly interpreted through the prism of constitutional restraint and long-standing export prohibitions. This framing is no longer sufficient to capture the structural transformation underway. The relevant shift is not ideological but industrial.
Over the period from 2014 to 2026, Japan has progressively reconfigured its export-control regime from a near-prohibitive system into a controlled but functional framework that enables participation in allied defence production, co-development, and sustainment.
Key questions this report answers
- How has Japan reconfigured its export-control regime from a near-prohibitive system into a controlled but functional framework between 2014 and 2026?
- Why does industrial viability rather than ideology drive the change?
- How do the Mogami frigates and GCAP illustrate the move from aspiration to multinational production logic?
- What do DICAS and Australian allied supply-chain embedding reveal about the limits of controlled normalisation?
Inside this report
- The cumulative regulatory shift
- Why industrial viability drives the change
- Mogami and the move from aspiration to execution
- GCAP and the acceptance of multinational production logic
- DICAS, Australia, and allied supply-chain embedding
- Markets, competition, and the limits of controlled normalisation
- Final judgment
Who it's for
Strategy, corporate-development and investment teams that need an ecosystem-level view — budgets, industrial capacity and technology landscapes — before committing capital or capacity.
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Methodology, format & delivery
DFM reports are built from primary and official sources — TED procurement notices, CORDIS and the EU Funding & Tenders Portal, EIB operations, the NATO Innovation Fund portfolio, SIPRI data, official budget documents and company disclosures — read together with the underlying legal texts. Sources are cited in the document; it reflects them as of its publication date (24 April 2026). You receive a 23-page PDF, watermarked to you on every page, delivered on the confirmation page and by e-mail immediately after checkout (personal link valid 72 hours, up to 5 downloads). Guest checkout, single-user licence — Terms of Sale.
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