18MAR

Japan requests 17 MQ-9B drones for 2027

3 min read

11:41UTC

Japan's defence ministry asked for 292.2 billion yen to buy 17 SeaGuardian drones, four times this year's purchase, and its first interceptor-drone line.

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ConflictAssessed

Key takeaway

Japan requested four times as many SeaGuardian drones for 2027, at a slightly lower unit price.

The Japan Ministry of Defense requested 292.2 billion yen for 17 MQ-9B SeaGuardian long-endurance drones in its fiscal 2027 budget request, published on 31 August⁠¹. The SeaGuardian is the maritime version of General Atomics' MQ-9B, built to watch sea lanes for more than a day at a time. The current budget bought four for 76.5 billion yen⁠². By Lowdown's calculation that is about 17.2 billion yen an aircraft in the request against 19.1 billion now: four times the fleet at a slightly lower unit price.

The request adds 36.3 billion yen for three types of small attack drone and 7.6 billion yen for the ministry's first interceptor-drone line. Base counter-drone equipment falls to 3.8 billion yen plus one unpriced item, from 7.8 billion. Newer anti-swarm work, a microwave weapon and a close-range system mixing missiles, cannon and laser, carries no price yet. The ministry states its aim as becoming "the organisation that makes the most use of unmanned assets in the world"⁠³. These are requests; the cabinet and the Diet decide the final sums.

The interceptor money already has a likely home. Terra Drone, listed in Tokyo, said on 25 August that its Terra B1 was the only interceptor to pass the trial run by the Acquisition, Technology and Logistics Agency (ATLA), Japan's arms procurement agency, which had chosen it from proposals by 38 companies⁠⁴. ATLA ran a contest in which a single entrant passed, the opposite of the direct awards several European buyers made in September. In June Tokyo placed its first order for American Black Widow drones.

Deep Analysis

In plain English

Each August Japan's defence ministry asks for money for the year ahead, and the government and parliament decide the final amounts by spring. This year's request puts a large share into drones. The biggest item is a fleet of SeaGuardians, large American drones that can patrol the ocean for more than a day. Japan wants them to track Chinese warships in the Pacific. Smaller sums go to Japanese-made attack drones and to interceptors, small drones that destroy enemy drones. A Japanese company, Terra Drone, says its interceptor was the only one to pass the government's test.

Deep Analysis

Root Causes

Japan's drone industry starts from a weak position at home, with imports dominating the commercial market. The ministry is trying to grow domestic makers by buying expendable drones from them, including a Type I small attack drone whose mass-production contract was signed in March 2026.

China's naval activity in the Pacific drives the other half. Surveillance of sea lanes over long distances needs large drones with endurance that no Japanese maker yet builds, so that money goes abroad.

What could happen next?

Opportunity
Terra Drone is the default candidate for Japan's first interceptor-drone purchases if the line survives the Diet.
Consequence
General Atomics' Japanese MQ-9B order would roughly quadruple in a single budget year.

Source Landscape

This story draws on neutral-leaning sources

Primary parallel: The FY2026 budget carried SHIELD, a layered coastal unmanned defence line worth 100.1 billion yen, due to be built during FY2027. The SHIELD heading does not appear in the FY2027 request summary; its parts, such as the small attack drones and ship-borne drones, are listed one by one instead.

Counter-parallel: South Korea fixed a 2029 date for its low-altitude missile defence and named the Agency for Defense Development (ADD), LIG Nex1 and Hanwha Aerospace as contractors (ID:3519). Japan's own counter-swarm items, a microwave weapon demonstrator and the CRADS close-range system, carry no yen figure at all.

Beyond the headline lines, the request asks 11.3 billion yen for target-acquisition drones, up from 1.8 billion yen for four this year. It also seeks 9.7 billion yen for drones to fly with the next-generation fighter, with electronic-warfare and deception functions.

An unpriced item request covers a low-cost stand-off drone built from civilian parts for mass production. That line treats drones as munitions to be bought in bulk rather than as aircraft. The cabinet and the Diet can still change every figure before the budget passes.

Consensus view: The Ministry of Defense ties the request to Pacific and sea-lane defence, citing Chinese carrier deck operations in the Pacific that rose from about 320 in 2022 to about 1,460 in 2025. Long-endurance surveillance over open water is the gap it wants filled first, and the SeaGuardian is built for it.

Counter-view: Terra Drone, citing trade ministry (METI) material, says foreign products hold roughly 90 per cent of Japan's industrial drone market. The biggest priced unmanned line in the request goes to an imported airframe from General Atomics, while the domestic attack and interceptor lines are far smaller.

Key tension: Whether Tokyo can build the domestic base it wants, about 80,000 drones and critical components a year by 2030, while most of its unmanned money buys American aircraft.

Sources:Japan Ministry of Defense·Japan Ministry of Defense·Terra Drone

Mentions:Japan Ministry of Defense →General Atomics →Black Widow →Japan →LIG Nex1 →Hanwha →South Korea →Tokyo →MQ-9B SeaGuardian →Terra B1 →Acquisition, Technology and Logistics Agency →Terra Drone →ADD →Japan Close Range Air Defense System →Japan Small Attack UAV Type I →Synchronized, Hybrid, Integrated and Enhanced Littoral Defense →

First Reported In

Update #18 · Four EU states skip tenders on drone defence

Japan Ministry of Defense· 1 Oct 2026

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Causes and effects

Caused by

Red Cat raises $225m and wins Japan

Japan's first Black Widow order in June preceded its FY2027 drone request and first interceptor line.

Occurred 12 Jun 2026

Read story →

This Event

Japan requests 17 MQ-9B drones for 2027

Japan wants to quadruple its long-endurance drone fleet in a year, and has already tested who might supply its interceptors.

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Written with AI from Lowdown's published reporting. Not individually reviewed by an editor. Editorial standards.