Japan Defense Brief
@Jpn_Def_Brief
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🇵🇭🇹🇼🇰🇷🇯🇵🇦🇺🇨🇦🇺🇸 TLDR of the latest in Japan defense news from authoritative local sources.
Japan
Joined April 2021
The Japan-U.S. command post exercise KEEN EDGE, held in February 2024, explicitly simulated a Chinese invasion of Taiwan for the first time. The exercise evaluated Japan’s response through collective self-defense measures, including JASDF missile attacks on Chinese vessels.
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Nihon Keizai Shimbun (日本経済新聞). “陸自、26年度に『特殊作戦団』新設へ 習志野拠点に1200人規模” [JGSDF to Establish ‘Special Operations Brigade’ in FY2026, Based at Narashino with 1,200 Personnel]. 10 October 2025. https://t.co/KCkZTUwm1x. Accessed 11 October 2025. Ministry of
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New JSDF Special Operations Unit to Bolster Counter-Guerrilla Capabilities On 10 October 2025, Minister of Defense Nakatani (中谷) announced at a post-cabinet press conference that the Japan Ground Self-Defense Force (JGSDF, 陸上自衛隊) will establish a new Special Operations
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On 10 October 2025, Japan’s Minister of Defense Nakatani announced the FY2026 establishment of a 1,200-member Special Operations Brigade at Narashino. The unit will consolidate the elite Special Forces Group and Central Readiness Regiment to bolster Japan’s counter-guerrilla and
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Chinese Navy Carrier Group Maneuvers in East China Sea and Pacific Confirmed: CNS Liaoning (CV-16) Identified – 25–27 May 2025 Japan Joint Staff Office, 27 May 2025 From 25 to 27 May 2025, the Japan Joint Staff Office (統合幕僚監部) confirmed that multiple vessels of the
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PLA Navy Carrier Group Conducts Flight Operations North of Okinawa, 25 May On 25 May 2025, five People’s Liberation Army Navy vessels were operating approximately 200 kilometers north of Kuba Island (久場島), Okinawa Prefecture. The formation included the Kuznetsov-class
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Chinese Anhui Amphibious Readiness Group Transits South Through Miyako Strait on 16 May 2025 Japan Joint Staff Office, 16 May 2025 On 16 May 2025, around 12:00 JST, the Japan Maritime Self-Defense Force confirmed the sighting of five Chinese Navy vessels sailing south in the
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Chinese Y-9 Surveillance Aircraft Transits Through Miyako Strait on 15 May 2025 Japan Joint Staff Office, 15 May 2025. On 15 May 2025 (Thursday), between morning and afternoon hours, the Japan Joint Staff Office reported that one Chinese Y-9 surveillance aircraft (Y-9戒機) flew
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CHINA-SINGAPORE COOPERATION-2025 Maritime Exercise Opens in Singapore on 9 May 2025 Opening Ceremony at Changi Naval Base On 9 May 2025, the opening ceremony of Exercise Maritime Cooperation 2025 (XMC)—the fourth iteration of the CHINA-SINGAPORE COOPERATION maritime
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JMSDF Conducts Goodwill Exercise with Philippine Navy Off Manila on 2 May 2025 Japan Maritime Self-Defense Force, 7 May 2025 As part of its FY2024 Indo-Pacific and Middle East Deployment (IMED25), the Japan Maritime Self-Defense Force (JMSDF, 海上自衛隊) conducted a goodwill
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Surge in CCP Espionage Prompts Major National Security Response in Taiwan , 9 May 2025 China Brief (Jamestown Foundation), 9 May 2025. Overview of Espionage Trends The government of Taiwan, under President Lai Ching-te (賴清德), has disclosed a sharp increase in Chinese
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PRC Military Strategy Integrates High-Powered Microwave Weapons China Brief (Jamestown Foundation), 9 May 2025. Key Developments in HPM Technology In recent years, the People’s Liberation Army (PLA) has made substantial progress in high-powered microwave (HPM) weapons, which
The latest coauthored analysis by RCDA member @Alexyuchengchen has just been published in @ChinaBriefJT: Weaponizing the Electromagnetic Spectrum: The PRC’s High-powered Microwave Warfare Ambitions https://t.co/qTBUhmKg7Z
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“ Kim added. ‘That’s my personal opinion.’ The remark was a reference to a point in Japanese history when two powers with bad blood between them joined forces in 1866 to form the “Satcho alliance” and overthrow the Tokugawa Shogunate. This visit to Washington can be interpreted
What an interesting comment by Lee Jae-myung adviser after White House visit. "In the current situation, I believe Korea and Japan need to cooperate on a level akin to Japan’s Choshu Domain and Satsuma Domain." https://t.co/XhvH6ELf3Z
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JMSDF Conducts Joint Training with UK and Italian Navies in the South China Sea on 3 May 2025 Japan Maritime Self-Defense Force, 7 May 2025 On 3 May 2025, the Japan Maritime Self-Defense Force (JMSDF, 海上自衛隊) conducted a trilateral joint naval training exercise with the
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JGSDF to Join SOUTHERN JACKAROO 25 with U.S. and Australian Forces from 19 May 2025 Japan Ground Self-Defense Force, 9 May 2025 Overview The Japan Ground Self-Defense Force will participate in SOUTHERN JACKAROO 25, a bilateral U.S.-Australia field training exercise held in
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JGSDF Participates in KAMANDAG 25 Amphibious Exercise in the Philippines – 26 May 2025 Ground Self-Defense Force, 9 May 2025. On 9 May 2025, Japan’s Ground Staff Office (陸上幕僚監部) announced the Japan Ground Self-Defense Force’s (JGSDF, 陸上自衛隊) planned participation in
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Japan-U.S. Joint Air Exercise Conducted over Sea of Japan on 9 May 2025 Joint Staff Office, 9 May 2025 On 9 May 2025, the Japan Self-Defense Forces and U.S. forces conducted a bilateral joint exercise over the Sea of Japan (日本海). The exercise was carried out in response to
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Taiwan holds its first-ever commemoration of the end of WWII in Europe today. Taiwan President @ChingteLai delivering a speech marking the 80th anniversary of VE Day. He stresses that victory in Europe relied on global cooperation. A 🧵
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Eastern Theater Command. “空中加油，练练练！” [Aerial Refueling, Training Intensifies!]. 7 May 2025.
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