OrganisationJP

Japan Ministry of Defense

Japan's Cabinet-level ministry directing the Self-Defense Forces and a record defence build-up toward 2% of GDP.

Since 2007, Japan Ministry of Defense has directed the Self-Defense Forces and Japan’s defence procurement. On 31 August, it sought funding for 17 SeaGuardian drones for the 2027 fiscal year, extending a build-up of uncrewed capabilities.

Last refreshed: 1 October 2026 · Appears in 2 active topics

Key Question

How is Japan's defence ministry spending its record 10.6 trillion yen build-up budget?

Timeline for Japan Ministry of Defense

#19 9 Oct

Concluded an acquisition contract for SkyFall interceptors

Drones: Industry & Defence: Japan signs to buy SkyFall interceptors

#12 31 Aug

Requested UUV module research

Autonomous Systems: Land & Sea: Japan asks for missile tubes on UUVs

#18 31 Aug

Requested ¥292.2bn for 17 MQ-9B SeaGuardians

Drones: Industry & Defence: Japan requests 17 MQ-9B drones for 2027

#12 12 Jun

Placed a first Ministry of Defense order for Red Cat Black Widow drones for the Ground Self-Defense Force

Drones: Industry & Defence: Red Cat raises $225m and wins Japan

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Background

Japan Ministry of Defense is the Cabinet-level department directing the Japan Self-Defense Forces, defence planning and procurement. Its remit spans the Ground, Maritime and Air Self-Defense Forces, while its Acquisition, Technology and Logistics Agency runs procurement and technology programmes.

The ministry was elevated from the Japan Defense Agency in January 2007. It sits at the centre of Japan’s shift towards greater defence capacity, including counter-strike capabilities authorised in the 2022 strategic programme. Japan’s first order for Black Widow reconnaissance drones, reported on 12 June, showed the ministry building an uncrewed inventory from a low base.

Its current relevance lies in converting policy into equipment, operational capacity and industrial contracts. On 31 August, the ministry requested funding for 17 SeaGuardian maritime-surveillance drones and its first interceptor-drone line, showing how procurement now reaches both long-endurance surveillance and domestic counter-drone systems.

Common Questions

What is Japan's defence budget in 2026?

Japan's Ministry of Defense approved a record budget of approximately 10.6 trillion yen (around $66.5 billion) for fiscal year 2026, equal to roughly 1.9% of GDP. The government aims to reach 2% of GDP by Fiscal Year 2027.Source: Japan Ministry of Defense / Japan Times

What did Japan's 2022 National Security Strategy change about its military?

The December 2022 National Security Strategy ended Japan's post-war 1% of GDP defence ceiling, authorised counter-strike (long-range strike) capabilities, and set a five-year programme to roughly double annual defence spending to 2% of GDP by FY2027.Source: CSIS / mod.go.jp

Why is Japan buying drones for its Self-Defense Forces?

Japan's 2022 defence strategy required building an uncrewed systems inventory from scratch as part of a counter-strike doctrine. The Ministry of Defense placed a first order for 173 Black Widow reconnaissance drone systems through its procurement agency ATLA in 2026.Source: Red Cat Holdings / asdnews.com

Who is Japan's current Minister of Defense?

Shinjiro Koizumi has served as Japan's Minister of Defense since October 2025, overseeing the country's record defence build-up under the 2022 National Security Strategy.Source: mod.go.jp

What is ATLA in Japan's Ministry of Defense?

ATLA stands for the Acquisition, Technology and Logistics Agency, an external bureau of Japan's Ministry of Defense responsible for research and development, procurement negotiations, and project management of defence equipment, including the competitive tender process for the Black Widow drone contract.Source: mod.go.jp / investing.com

What does Japan Ministry of Defense do?

It manages and supervises the Self-Defense Forces and leads Japan's defence policy.Source: https://www.mod.go.jp/en/d_act/d_policy/index.html

Who manages Japan's Self-Defense Forces?

The Defence Minister manages and supervises the Self-Defense Forces under civilian control.Source: https://www.mod.go.jp/en/d_act/d_policy/index.html

When did Japan approve its current strategic defence documents?

The Cabinet approved the National Security Strategy, National Defense Strategy and Defense Buildup Program on 16 December 2022.Source: https://www.mod.go.jp/en/d_policy/index.html

Why is Japan Ministry of Defense researching underwater robots?

This update reported its request for research into an underwater robot expansion module, including a missile tube.Source: https://www.mod.go.jp/en/d_policy/index.html

Source Material

Defense Policy Overview of Japan's National Defense Japan MoD FY2026 Budget: Progress in Fundamental Reinforcement National Security Strategy of Japan (December 2022)Japan Ministry of Defense: Official Website