Japan’s House of Councillors passed amendments to the Defense Ministry Establishment Law today, formally designating space as a new operational domain and renaming the Air Self-Defense Force the Air and Space Self-Defense Force. The new service is expected to be established in fiscal 2026 (Apr. 1, 2026–Mar. 31, 2027) and will include a newly created Space Operations Group responsible for space missions. This is the first organizational name change since the Air Self-Defense Force’s founding in 1

2026-06-26

Japan’s House of Councillors passed amendments to the Defense Ministry Establishment Law today, formally designating space as a new operational domain and renaming the Air Self-Defense Force the Air and Space Self-Defense Force. The new service is expected to be established in fiscal 2026 (Apr. 1, 2026–Mar. 31, 2027) and will include a newly created Space Operations Group responsible for space missions. This is the first organizational name change since the Air Self-Defense Force’s founding in 1954.