Japan will dispatch four Self-Defense Forces personnel to Germany to join NATO's Security Assistance and Training for Ukraine (NSATU) headquarters for a one-year mission starting June 1, 2026 [1, 2, 3, 4, 5]. The team includes two from the Ground Self-Defense Force, one from the Maritime Self-Defense Force, and one from the Air Self-Defense Force [2, 3, 4, 5].
The personnel will perform coordination and liaison duties related to military support and training activities for Ukraine. They will not engage in direct combat operations. Japanese Defense Ministry officials said that the personnel face no direct possibility of involvement in fighting [1, 2, 3, 4, 5].
Japanese Defense Minister Koizumi Shinjiro announced the deployment on May 29, 2026, following earlier meetings with the dispatched personnel. He said the deployment aims to allow Japan to learn from the new forms of warfare observed in the Russia-Ukraine conflict and to strengthen Japan’s own defense capabilities. Koizumi also said the deployment "will further deepen cooperation between Japan and NATO" [2].
NSATU was established in September 2024 and is headquartered at a U.S. military base in Germany. It has about 700 personnel from NATO countries and partners. Its operations include providing military training, equipment delivery, and coordinating allied support to Ukrainian forces [2, 4, 5].
Japan’s deployment follows a 2025 meeting between then-Defense Minister Gen Nakatani and NATO Secretary General Mark Rutte, when Japan expressed willingness to join the mission [1, 2, 4, 5]. It is part of a broader Japanese strategy including easing weapons export rules and integrating defense technologies with allies [5].
The four SDF personnel will start their mission on June 1, 2026, contributing to coordination and liaison at NATO’s NSATU headquarters in Germany [1, 2, 3].