- Security domain
- Sea
- What it is
- fleet · command (level 4)
- Founded
- 1954
- Acknowledged by
- Official website (official site)
- Active headcount
- 24,000 (2026) estimated, low confidence
- Headcount source
- Wikipedia infobox, Self Defense Fleet
- Website
- www.mod.go.jp/msdf/sf
- Identifiers
- factbase.org/org/EYFGAZ6D55 · Q11268441