DSEI Japan: Showcasing Innovation Amid Rising Threats
DSEI Japan, the country's largest defense trade exhibition, was held at Makuhari Messe in Chiba from May 21 to 23. Originally launched in the United Kingdom, the event has taken place in Japan biannually since 2021, making this its third running.
The 2025 event was the largest to date, featuring 471 exhibitors from 33 countries. Japanese companies comprised roughly 40% of all participants, reflecting the nation's growing interest in the defense industry.
On May 22, Prime Minister Shigeru Ishiba became the first sitting Japanese leader to attend the exhibition. He delivered a speech stressing his commitment to defense equipment collaboration with allies and partner nations.
"Advancing collaboration in equipment transfer, joint development, and joint production is crucial for promoting peace and stability in Japan and the region," he said.
Ishiba highlighted China's "unilateral attempts to change the status quo" in the East and South China Seas, North Korea's ballistic missile launches, and expanding military cooperation between Russia and North Korea. "The security environment is becoming increasingly severe," he said. Kawasaki Heavy Industries' unmanned helicopter can carry 200 kg of cargo. (©Hidemitsu Kaito)
Ishiba added, "Equipment cooperation will help strengthen deterrence not only for our country but also for our allies and partners."
The Prime Minister also mentioned the significance of Japan, the UK, and Italy collaborating on the next-generation fighter jet, the Global Combat Air Programme (GCAP). "This will lay the foundation for broad coordination with the UK and Italy for generations to come," he said.
After his speech, Ishiba toured the venue, observing the latest defense technology.
The exhibition featured cutting-edge technologies, including gears, small arms, large ships, unmanned vehicles, and cybersecurity systems. Japan's Ministry of Defense drew particular attention with its "railgun" (electromagnetic cannon) designed to intercept hypersonic missiles. Japan's Ministry of Defense unveils "rail gun" at the DSEI exhibit (left) on May 21. (©Hidemitsu Kaito)
Rising geopolitical tensions are boosting demand for unmanned aircraft and automated, labor-saving technologies. They are also accelerating innovation to enhance soldier safety.
Sweden's SAAB showcased a training system for anti-tank recoilless rifles. Meanwhile, Turkish firm OTOKAR displayed an armored vehicle designed for countering anti-tank mines. A Ukrainian company unveiled a drone-based precision strike system, gaining attention for its technology honed through real combat experience. SAAB showcases a training system for firing anti-tank recoilless rifles. (©Hidemitsu Kaito)
On May 21, United States Ambassador to Japan George Glass attended the opening ceremony at the US Pavilion. In his remarks, the ambassador emphasized the need for regional stability and stronger deterrence."Coordination among allies in the Indo-Pacific, joint development, and joint production are essential. Collaboration between American and Japanese defense industries is indispensable," he said. Ambassador George Glass speaks at the opening ceremony of the US Pavilion. (©Hidemitsu Kaito)
Kawasaki Heavy Industries presented an unmanned helicopter capable of carrying up to 200 kilograms of supplies for potential use in island defense. Meanwhile, Rakuten Group emphasized its support for Ukrainian startups through partnerships with Ukrainian government agencies. The Rakuten and Ukrainian agencies' booth showcases support for startups. (©Hidemitsu Kaito) Defense Minister Gen Nakatani tours the exhibition on May 21. (©Hidemitsu Kaito)
Defense Minister Gen Nakatani, who toured the venue on the first day, said, "The number of enlistments in the Self-Defense Forces (SDF) is declining, making the introduction of drones and labor-saving equipment essential." The SDF has a capacity of around 247,000 personnel, but is projected to face a shortfall of 23,000 by the end of 2024.
Japan's defense system continues to evolve. The FY2025 defense budget is set at ¥8.4748 trillion JPY ($58.8 billion USD). This level represents a 9.7% increase from the previous year and reaches 1.8% of GDP.
In 2020, the Air Self-Defense Force established a Space Operations Squadron to focus on outer space. Space surveillance has become increasingly vital, as evidenced by foreign firms capturing real-time satellite images of a North Korean destroyer grounding during its launch ceremony. A model of the next-generation fighter jet being jointly developed by Japan, the UK, and Italy. (©Hidemitsu Kaito)
The next-generation fighter jet under development, GCAP, mentioned by Ishiba, is expected to outperform the American stealth fighter F-35. However, as China and Russia rapidly expand their military power, Japan must further strengthen its defense capabilities.
( Read this in Japanese )
Author: Hidemitsu Kaito
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