[-The United States Navy-] #4019051

members (measured 5 Sept 2026, 23:59 UTC)

3 April 2018

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 We do not publish numbers we have not measured.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)	Members	Change
5 Sept 2026, 23:59	1	first reading

Ownership

Owned by @costrain as measured.

Members we’ve seen

@costrain — [OXI] Fleet Admiral (rank 255)

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

Rank structure

[OXI] Fleet Admiral0

[OX] Admiral0

[OI X] Vice Admiral0

[O VIII] Rear Admiral0

[O VII] Rear Admiral Lower Half0

[O VI] Captain0

[OV] Commander0

[O IV] Lieutenant Commander0

[OIII] Lieutenant0

[OII] Lieutenant Junior Grade0

[OI] En sign0

[WII] Chief Warrant Officer II-V0

[E IX] Master Chief Petty Officer/ Commander Master Chief Petty Officer0

[EVIII] Senior Chief Petty Officer0

[EVII] Chief Petty Officer0

[E] Petty Officer III-I Class0

[EIII] Seaman 0

[EII] Seaman Apprentice 0

Member1

[EI] Sea Man Recruit (Basic Training)0

Guest0

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

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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.