Analysis & Reports
AI-assisted analysis of military-related information from public sources
Military Exercises Around Taiwan by China and the Miyako Strait: An Analysis of Serious Strategic Threats to Japan's Security
China conducted large-scale military exercises around Taiwan from December 29-30, 2024, demonstrating its military capabilities and posing significant threats to Japan's security. On December 9, 2024, Chinese and Russian strategic bombers conducted joint patrols over the Miyako Strait, indicating a strategic partnership aimed at challenging U.S.-led regional order. Japan's Self-Defense Forces are under pressure to enhance their capabilities in response to these developments.
Tanaka TakashiSun Feb 08 2026Loading...The Era When the Silence in the Sea Disappears
In early February 2023, the Japan Maritime Self-Defense Force detected submarine sounds in the Tsushima Strait consistent with Chinese Type 039A submarines. The detection highlights challenges in Japan's anti-submarine warfare capabilities due to improved stealth of Chinese submarines and resource constraints within the JMSDF. The report emphasizes the need for modernization of Japan's underwater surveillance infrastructure and the urgency of addressing personnel shortages in submarine detection.
Tanaka TakashiSun Feb 08 2026Loading...The Nordic Choice Indicates the Tectonic Shifts in the East Asian Defense Industry
Norway signed a procurement contract with Hanwha Aerospace for 16 Chunmoo multiple launch rocket systems on January 30, worth 19 billion Norwegian kroner. The contract includes precision-guided munitions and logistics support, with deliveries starting in 2028. This decision reflects Norway's strategic shift in defense procurement amid increasing demand for military capabilities in Europe.
Tanaka TakashiSun Feb 08 2026Loading...Blind Spots in Communication Infrastructure for the Defense of the Nansei Islands
Japan's Ministry of Defense contracted Mitsubishi Electric for a 123.5 billion yen satellite communication system, set to operate by March 2030, to enhance communication for the Self-Defense Forces in the southwestern islands. The current reliance on a single satellite poses vulnerabilities, especially against potential Chinese attacks. The report advocates for exploring integration with U.S. military communication systems to mitigate risks.
Tanaka TakashiSat Feb 07 2026Loading...A New Phase in the Defense of the First Island Chain: The Strategic Shift of the Japan-U.S. Alliance Demonstrated by Exercise Iron Fist 26
The U.S. Marine Corps and Japan Ground Self-Defense Force will conduct the Iron Fist 26 military exercise in February 2026 in the Southwestern Islands of Japan, involving approximately 1550 personnel. This exercise signifies a strategic shift in the U.S.-Japan alliance, responding to heightened tensions in the region, particularly from North Korea's missile threats. It aims to enhance joint operational capabilities and strengthen regional defense posture.
Tanaka TakashiSat Feb 07 2026Loading...Reconstructing Japan's Maritime Defense Strategy in the Era of Multilayered Maritime Threats
Japan's Maritime Self-Defense Force is adapting its strategy to address multi-layered maritime threats in the East China Sea and Sea of Japan as of early 2026. The increasing presence of the Chinese Coast Guard has necessitated a reevaluation of operational doctrines. Japan is enhancing its Coast Guard capabilities while facing challenges in anti-submarine warfare due to advancements in submarine technology. The Aegis destroyers are tasked with both ballistic missile defense and surface attack roles, highlighting the complexity of Japan's defense posture.
Tanaka TakashiFri Feb 06 2026Loading...The Introduction of South Korea's New AERIS-X Indicates Structural Changes in Northeast Asia's Airborne Early Warning System
South Korea is upgrading its air early warning capabilities by introducing the AERIS-X system, which will enhance detection of North Korean missile threats. The Republic of Korea Air Force plans to acquire four AERIS-X aircraft by February 2026, with two already delivered for modification. This system will improve real-time data sharing among South Korea, the U.S., and Japan, contributing to a more integrated regional defense network.
Tanaka TakashiFri Feb 06 2026Loading...The Deployment of F-15 Fighters in Asia and a New Phase of the Japan-U.S. Alliance: The Withdrawal of Indonesia Indicates a Reorganization of Regional Security
Boeing announced the termination of its F-15 partnership with Indonesia on February 5, 2026, indicating a shift in U.S. military strategy in the Asia-Pacific. Indonesia opted for the European M-346 trainer, reflecting its non-aligned stance and preference for flexible defense partnerships. Meanwhile, Japan is modernizing its F-15J fleet to counter regional threats, particularly from China's expanding military capabilities. This transition highlights the evolving dynamics of U.S.-Japan defense cooperation and Indonesia's strategic autonomy in defense procurement.
Tanaka TakashiThu Feb 05 2026Loading...





