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Japan Maritime SeIf-Defense Force

Japan Maritime SeIf-Defense Force #11316743

3
members (measured 29 Sept 2026, 12:53 UTC)
1 July 2021
created (per Roblox API)
10 August 2026
first measured by this register

Membership history

Growth

Growth history is still building. We hold one measurement for this entry. A trend needs at least two, taken days apart — so this will fill in on its own rather than being estimated. We do not publish numbers we have not measured.

Measurement log — every members count we have recorded
Measured (UTC)MembersChange
4 Sept 2026, 08:593first reading

Ownership

Owned by Petro (@Petro_DevAccount) as measured.

Groups seen changing owner — the largest ever handed over and the most recent — are on the ownership transfers board.

Members we’ve seen

Petro (@Petro_DevAccount) — 提督 | Admiral (rank 255)

Porsche_Tigr (@vaderga) — 曹長 | Chief Petty Officer (rank 8)

A sample — only members this register has independently measured, highest rank first. Not the full roster.

Rank structure

提督 | Admiral1
将 | Vice Admiral0
将補 | Rear Admiral0
1佐 | Captain0
2佐 | Commander0
3佐 | Lieutenant Commander0
1尉 | Lieutenant0
2尉 | Lieutenant Junior Grade0
3尉 | Ensign0
准尉 | Warrant Officer0
曹長 | Chief Petty Officer1
1曹 | Petty Officer First Class1
2曹 | Petty Officer Second Class0
3曹 | Petty Officer Third Class0
士長 | Leading Seaman0
1士 | Seaman0
2士 | Seaman Apprentice0
Member3
Self-Defense Force Cadet0
Guest0

Roles and per-rank member counts as Roblox reports them (rank 0 = guest … 255 = owner).

Related groups

Groups whose measured members overlap with this one — a sample from our membership graph.

Open data

Download this group’s measured record — free to reuse with attribution: membership history (CSV) · full record (JSON)

Each file carries its licence and retrieval time inside it, and is generated from the same measurements shown above.