Japan Issues Space Domain Defense Guidelines to Enhance National Security in Orbit
5 pages · PDF · 15 August 2025 · Licensed single-user copy, watermarked to the buyer
Strategic Space, Satellites, Launchers & PNT Command, Control, Communications, Cloud & Edge
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What this report covers
Technologies: Space, Satellites, Launchers & PNT, Command, Control, Communications, Cloud & Edge. A sourced, structured 5-page analysis for European defence and dual-use decision-makers, from the DFM research desk and built on official and primary sources.
About this report
Japan has formally recognised outer space as a critical operational domain alongside land, sea, and air, with the Ministry of Defense (MOD) publishing its new Space Domain Defense Guidelines on 7 August 2025. Formulated on 28 July, the document sets the strategic direction for strengthening the country’s ability to operate, defend, and exploit space-based assets.
The guidelines acknowledge the increasing reliance of Japan’s economy, society, and disaster response capabilities on satellite services such as communications, observation, and Position, Navigation and Timing (PNT).
Key questions this report answers
- What does Japan's Space Domain Defense Guidelines, published 7 August 2025, establish for national security in orbit?
- Why has Japan's Ministry of Defense formally recognised outer space as a critical operational domain alongside land, sea, and air?
- How does Japan's reliance on satellite communications, observation, and PNT services shape the new guidelines?
- What strategic direction do the guidelines set for defending and exploiting space-based assets?
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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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 (15 August 2025). You receive a 5-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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