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RoboticsJapan Times TechPublished: Aug 31, 2026, 19:01 JST

Japan defense budget request hits record ¥8.9 trillion

Japan defense budget request hits record ¥8.9 trillion

3 Key Points

  1. What happened

    The Defense Ministry submitted a record ¥8.9 trillion ($56 billion) budget request for fiscal 2027, the final year of a five-year, ¥43 trillion plan. The request includes AI for command and control, hypersonic underwater-launched missiles, and drones.

  2. Why it matters

    The figure is widely expected to rise as Japan revises its three key national security documents by year-end. Some officials say it could top ¥10 trillion, in part due to U.S. pressure to spend 3.5% of GDP on defense, while Japan claims it already spends around 2%.

  3. What to watch

    The request includes ¥8.7 billion for UAVs, ¥36.3 billion for small attack drones, and ¥9.5 billion for uncrewed ground vehicles. It also outlines a new state-backed entity and a shift toward a government-owned, contractor-operated model for some defense businesses.

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Context & Analysis

The record request reflects Japan's response to regional security challenges from China, North Korea, and Russia, as well as pressure from the U.S. under President Donald Trump to increase defense spending. The inclusion of AI and drones aims to prepare for 'new ways of warfare,' but the ministry's focus on technology raises questions about manpower, as experts like Masashi Murano note the need to rethink force design and cut crewed platforms to staff uncrewed systems.

The request also signals a larger government role in the defense sector, with plans for a state-backed entity and a shift toward a GOCO model. However, legal changes are needed for permanent government ownership of facilities, with media reports suggesting legislation could come as early as next year. The emphasis on the Pacific flank, including deploying MQ-9B SeaGuardian UAVs and new bureaus, underscores Japan's focus on protecting sea lanes and responding to intensified military activities by neighbors.

FAQ
Why is the budget request expected to grow?
The request coincides with a revision of Japan's three key national security documents, making it structurally hard to avoid unpriced items. Officials hint the final figure could top ¥10 trillion once revisions become clearer.
What new technologies are included?
The request includes AI-based decision support for the Joint Operations Command, a sovereign cloud system, hypersonic underwater-launched missiles, and various drones, including ¥8.7 billion for UAVs and ¥36.3 billion for small attack drones.
Japan Times TechRead Original Article

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