Japanese Defense Minister Koizumi reiterated his view that Self-Defense Forces members singing the national anthem at a party convention did not violate the SDF law, but admitted there were issues with information sharing within the Ministry of Defense.

Japan's Defense Minister Shinjiro Koizumi warned that North Korea's accelerated development of nuclear and missile weapons poses an increasingly serious and urgent threat to Japan's security and the international community.

Japanese Defense Minister Koizumi met with German Defense Minister Pistorius in Japan, agreeing on the critical importance of strengthening bilateral cooperation to enhance regional deterrence and to consult and respond as needed for peace and stability.

Japan could build a “China-free” supply chain for defence equipment, but doing so would be costly and could take years as Tokyo tries to reduce its reliance on a strategic rival, analysts have said. The debate gained urgency after Defence Minister Shinjiro Koizumi last week said Tokyo should consider creating a “China-free” supply chain for defence equipment, following Beijing’s ban on exports of dual-use items to Japan. Speaking during a Lower House Budget Committee session, Koizumi said...

Defense ministers from Japan and Pacific island nations held an international conference, attended by Japan's Defense Minister Koizumi, to discuss cooperation on maritime security and other challenges.

Japanese official Koizumi stated that a Ground Self-Defense Force (GSDF) officer's performance at an LDP convention was not a political act. Opposition parties had argued it violated Article 61 of the Self-Defense Forces law, which restricts political activities by SDF members.

Japanese Defense Minister Shinjiro Koizumi announced plans to strengthen the country's defense system on the Pacific side, noting that a 'vast area' there is currently a 'defense vacuum'.

Japan's Defense Minister Koizumi announced the new delivery of two types of foreign-made stand-off missiles, capable of attacking from outside enemy range and intended for counter-attack capabilities.

Japan's Defense Minister Koizumi announced that the country plans to deploy a new missile unit on Yonaguni Island by fiscal year 2030.

Defense Minister Koizumi stated that a Self-Defense Force member singing the national anthem at an LDP convention was a private act, not a political one, and therefore did not violate the SDF law.

German Defense Minister Boris Pistorius and his Japanese counterpart Shinjiro Koizumi met in Yokosuka to discuss closer defense cooperation and joint armament efforts.

Japanese Defense Minister Koizumi inspected a Self-Defense Forces base in Miyagi Prefecture damaged by the Great East Japan Earthquake, vowing to apply lessons learned to future disaster prevention and strengthen equipment and training.

Japan plans to invite defense officials from Pacific island nations to strengthen cooperation, a move emphasized by Defense Minister Shinjiro Koizumi in response to China's increasing influence in the South Pacific.