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{JSDF} Japan Maritime Self-Defense Force

{JSDF} Japan Maritime Self-Defense Force #7426459

36
members (measured 26 Aug 2026, 12:04 UTC)
14 August 2020
created (per Roblox API)
10 August 2026
first measured by this register

Military & clansENmilitaryjapannavy

Description

he Japan Maritime Self-Defense Force, also simply known as the Japanese Navy, is the maritime warfare branch of the Japan Self-Defense Forces, tasked with the naval defense of Japan.

Written by the group; not a statement 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 We do not publish numbers we have not measured.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
11 Aug 2026, 11:5936first reading

Ownership

Owned by IAmTheGamingRock (@TexNovember) as measured.

Members we’ve seen

IAmTheGamingRock (@TexNovember)Chief of Staff, Joint Staff (rank 255)

SubaruLarperPro (@SupremeWaves21_12)Petty Officer Third Class (3曹) (rank 5)

cyrileus (@cyriIeus)Seaman Apprentice (2士) (rank 1)

LycorisVizsla (@StarsetVizsla)Member (rank 1)

Hank (@skiLLz_hank)Seaman Apprentice (2士) (rank 1)

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

Rank structure

Chief of Staff, Joint Staff1
Vice Chief of Staff, Joint Staff0
Minister of Defense (防衛相)1
State Minister of Defense0
Chief of Staff, Maritime Self Defense Force (海上幕僚長)1
Vice Admiral (海将)0
Rear Admiral (海将補)0
Commander (2佐)0
Captain (1佐)0
Lieutenant Commander (3佐)1
Lieutenant (1尉)0
Lieutenant Junior Grade (2尉)0
Ensign (3尉)4
Warrant Officer (准尉)0
Chief Petty Officer (曹長)0
Petty Officer First Class (1曹)0
Petty Officer Second Class (2曹)0
Petty Officer Third Class (3曹)1
Leading Seaman (士長)0
Seaman (1士)0
Member36
Seaman Apprentice (2士)27
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.