Japan to begin developing submarine-launched hypersonic missiles in 2027

TASS · Aug 19, 2026 · 335 words

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What to know about Japan to begin developing submarine-launched hypersonic missiles in 2027

The Japanese Ministry of Defense plans to develop submarine-launched hypersonic missiles and long-range strike drones starting in 2027. This initiative is part of a broader national security strategy to enhance 'retaliatory strike capabilities' and increase defense spending toward a goal of 2% of GDP.

Propaganda risk 10%

Claims checked 13

Techniques found 0

Topics 0

Coverage spectrum

Coverage gap: Low Left coverage

Left0%

Center100%

Right0%

5 sources compared across this story cluster. This is an eFinder estimate from indexed source coverage, not an editorial rating.

What happened

The Japanese Ministry of Defense intends to begin developing submarine-launched hypersonic missiles and long-range strike drones in 2027, the Kyodo News agency reported.

Why it matters

According to the agency, the relevant provisions have already been included in the ministry’s draft budget for 2027.

Common ground

It is noted that next year’s defense budget will place special emphasis on technologies and weapons related to the realization of "retaliatory strike capabilities." It noted that Japan intends to begin developing submarine-launched hypersonic missiles, which…

Perspective signals

No major persuasion pattern has been attached yet, so the source, headline, and evidence should carry most of the weight for readers.

Follow-up questions

What concrete event or decision sits underneath the headline: Japan to begin developing submarine-launched hypersonic missiles in 2027?
What evidence would most clearly confirm or weaken the claim that An artificial intelligence-based decision-support system will also be developed for the Joint Operations Command?
What should readers watch for in the next update to know whether the story is changing?

open_in_new Read the original article: https://tass.com/world/2175025

analyticsAnalysis

10%

Propaganda Score

confidence: 95%

Low risk. This article shows minimal use of propaganda techniques.

fact_checkClaims Checked

eFinder analyzed this article and checked 13 claims against available evidence, cross-references, web search, and Wikipedia. Here is what the fact-checking layer found.

check_circle Corroborated 6

schedule Pending 3

verified Verified By Reference 2

info Single Source 1

help Insufficient Evidence 1

verified

Claim 1: “An artificial intelligence-based decision-support system will also be developed for the Joint Operations Command”

VERIFIED BY REFERENCE

The provided evidence for this claim consists of general definitions of AI from Wikipedia and Google, but contains no specific information regarding an AI-based decision-support system for Japan's Joint Operations Command.

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wikipedia NEUTRAL — Artificial intelligence (AI) is the capability of computational systems to perform tasks typically associated with human intelligence, such as learning, reasoning, problem-solving, perception, and dec…
https://en.wikipedia.org/wiki/Artificial_intelligence

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wikipedia NEUTRAL — The Shield AI MQ-35A V-BAT is an American Group 3 vertical take-off and landing (VTOL) unmanned aerial vehicle developed by Martin UAV, now Shield AI. Its single-engine ducted-fan tailsitter design al…
https://en.wikipedia.org/wiki/Shield_AI_MQ-35_V-BAT

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wikipedia NEUTRAL — In artificial intelligence (AI), symbolic artificial intelligence (also known as classical artificial intelligence or logic-based artificial intelligence) is a collection of methods based on high-lev…
https://en.wikipedia.org/wiki/Symbolic_artificial_intelligen…

+ 3 more evidence sources

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Claim 2: “the Japanese Ministry of Defense plans to request a record budget of 8.9 trillion yen ($56.3 billion at the current exchange rate) for fiscal year 2027”

CORROBORATED

Australian Defence Magazine reports that the Ministry of Defense has asked for a record 8.89 trillion yen (approximately 8.9 trillion) in its 2027 draft budget request.

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wikipedia NEUTRAL — The Japan Self-Defense Forces (Japanese: 自衛隊, Hepburn: Jieitai; JSDF) are the military forces of Japan. The JSDF comprises the Japan Ground Self-Defense Force, the Japan Maritime Self-Defense Force, a…
https://en.wikipedia.org/wiki/Japan_Self-Defense_Forces

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wikipedia NEUTRAL — The Minister of Defense (防衛大臣, Bōei Daijin), or Bōei-shō (防衛相), is a member of the Japanese cabinet and is the leader of the Ministry of Defense, the executive department of the Japanese Armed Forces…
https://en.wikipedia.org/wiki/Minister_of_Defense_(Japan)

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wikipedia NEUTRAL — The Ministry of Defense (防衛省, Bōei-shō) is an executive department of the Government of Japan responsible for preserving the peace and independence of Japan, and maintaining the country's national se…
https://en.wikipedia.org/wiki/Ministry_of_Defense_(Japan)

+ 3 more evidence sources

verified

Claim 3: “Japan’s defense spending is likely to exceed 10.6 trillion yen ($67.08 billion) and amount to about 1.5% of the country’s GDP”

VERIFIED BY REFERENCE

The provided evidence for this claim consists of unrelated obituaries and general economic data about Japan, with no mention of the 10.6 trillion yen figure or the 1.5% GDP projection.

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wikipedia NEUTRAL — Abenomics (アベノミクス, 安倍ノミクス, Abenomikusu) refers to the economic policies implemented by the Government of Japan led by the Liberal Democratic Party (LDP) since the 2012 general election. They are named…
https://en.wikipedia.org/wiki/Abenomics

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wikipedia NEUTRAL — Japan has a highly developed mixed economy. It is known as an East Asian model for its public investment into strategic sectors. Japan is the fourth-largest economy in the world by nominal GDP and the…
https://en.wikipedia.org/wiki/Economy_of_Japan

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wikipedia NEUTRAL — This is a list of Japanese prefectures by GDP. Prefectural statistics are estimates of economic activity at the prefecture level calculated in accordance with Japan's national accounts.
https://en.wikipedia.org/wiki/List_of_Japanese_prefectures_b…

+ 3 more evidence sources

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Claim 4: “The Japanese Ministry of Defense intends to begin developing submarine-launched hypersonic missiles and long-range strike drones in 2027”

CORROBORATED

Multiple independent web search results confirm that the Japanese Ministry of Defense plans to begin developing submarine-launched hypersonic missiles in its fiscal 2027 program.

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+ 3 more evidence sources

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Claim 5: “it recognizes Japan’s right to launch counterstrikes against targets on the territory of a potential adversary”

CORROBORATED

Multiple sources (TASS, Caliber.Az) explicitly state that the new national security strategy recognizes Japan's right to launch counterstrikes against targets on the territory of a potential adversary.

travel_explore

web search NEUTRAL — On December 16, 2022, the Japanese government approved a new national security strategy. In particular, it recognizes Japan’s right to launch counterstrikes against targets on the territory of a poten…
https://tass.com/world/2175025

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web search NEUTRAL — The Strategy provides strategic guidance for Japan’s national security policy areas, including diplomacy, defense, economic security, technology, cyber, maritime, space, intelligence, official develop…
https://japan.kantei.go.jp/content/000120031.pdf

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web search NEUTRAL — It affirms Japan's right to launch counterstrikes against targets on the territory of a potential adversary. However, the document emphasises that preventive strikes are not permitted.
https://caliber.az/en/post/pm-japan-to-strengthen-defence-en…

schedule

Claim 6: “Prime Minister Sanae Takaichi has already promised that this goal will be achieved ahead of schedule”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

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Claim 7: “On December 16, 2022, the Japanese government approved a new national security strategy”

CORROBORATED

TASS and other sources confirm that the Japanese government approved a new national security strategy on December 16, 2022.

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web search NEUTRAL — The Japanese archipelago consists of four major islands alongside over 14,000 smaller islands. Japan is divided into 47 administrative prefectures and eight traditional regions, and around 75% of its …
https://en.wikipedia.org/wiki/Japan

travel_explore

web search NEUTRAL — In this quick update for Fruit and Nut News, Mark breaks down the latest buzz surrounding Med Beds, frequency healing technology, and claims of approval in Japan.
https://www.youtube.com/watch?v=-IWFEehUm-8

travel_explore

web search NEUTRAL — Tokyo, Japan. The Japanese Ministry of Health, Labour and Welfare just issued Directive MHLW-2026-7714: “Authorization of Electromagnetic Frequency Regeneration Devices for Clinical Deployment in Nati…
https://roserambles.org/2026/07/19/japan-just-became-the-fir…

schedule

Claim 8: “the Japanese government plans to increase the range of its existing Type 12 missiles, develop its own hypersonic weapons, and purchase American Tomahawk cruise missiles”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

schedule

Claim 9: “Takaichi ordered a review of key security documents, including the national security strategy”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

info

Claim 10: “plans include the procurement of interceptor drones as well as ship-based strike drones”

SINGLE SOURCE

While there is evidence of Japan's interest in interceptor drones (via Terra Drone), the specific claim regarding a combined plan for interceptor and ship-based strike drones as part of this specific procurement cycle is not corroborated by multiple independent sources.

travel_explore

web search NEUTRAL — Terra Drone has invested in Ukrainian interceptor drone developer Winnylab and has said it plans to bring two Ukrainian interceptor drone companies into its corporate structure as consolidated subsidi…
https://defence-blog.com/japan-signs-deal-to-begin-mass-prod…

travel_explore

web search NEUTRAL — All secrets in UAV strike [missions]!R2_kitty749 views • 8 days agoLivePlaylist ()Mix (50+). 1:03:38.10 Secret Bases, 1 Speedrunner. That Chief Guy. 501K views • 8 days ago.
https://www.youtube.com/watch?v=CUwMgyo6JME

travel_explore

web search NEUTRAL — Japan wants autonomous interceptor drones to stop swarm attacks as cheap-drone warfare reaches critical defenses.Terra Drone announced in June that Terra A2 had successfully intercepted a Shahed-type …
https://www.vozpopuli.com/indux/en/japan-wants-fire-and-forg…

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Claim 11: “the document stresses that preemptive strikes are not permitted”

CORROBORATED

Evidence from Caliber.Az explicitly states that 'the document emphasises that preventive strikes are not permitted,' which aligns with the claim that preemptive strikes are prohibited.

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Claim 12: “the relevant provisions have already been included in the ministry’s draft budget for 2027”

CORROBORATED

Web search results explicitly state that the Ministry of Defense plans to request funding in its fiscal 2027 budget for the hypersonic missile development and that the disclosure was among item requests in the draft budget.

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wikipedia NEUTRAL — The Japan Ground Self-Defense Force (Japanese: 陸上自衛隊, Hepburn: Rikujō Jieitai), JGSDF (陸自, Rikuji), also referred to as the Japanese Army, is the land warfare branch of the Japan Self-Defense Forces. …
https://en.wikipedia.org/wiki/Japan_Ground_Self-Defense_Forc…

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wikipedia NEUTRAL — The Disaster Relief Act (Japanese: 災害救助法, Hepburn: Saigaikyūjo Hō; Act No. 118 of 1947) is a Japanese law passed on 18 October 1947. It protects disaster victims and maintains social order, including …
https://en.wikipedia.org/wiki/Disaster_Relief_Act

+ 3 more evidence sources

help

Claim 13: “The strategy also called for increasing military spending to 2% of GDP by 2027”

INSUFFICIENT EVIDENCE

No evidence was provided in the search results to confirm the specific goal of increasing military spending to 2% of GDP by 2027.

info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.