•United States Marine Corps • #12746906

members (measured 29 Sept 2026, 09:23 UTC)

28 October 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 We do not publish numbers we have not measured.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)	Members	Change
29 Sept 2026, 09:23	2	first reading

Ownership

Owned by @FDNY915 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

@FDNY915 — [010] General of the Marines (rank 255)

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

Rank structure

[010] General of the Marines0

[010] Vice General of the Marines0

[09] Director of Marines Corp Staff0

[08] Inspector General of Marine Corps0

[09] Lieutenant General0

[08] Major General0

[07] Brigadier General0

[06] Colonel0

[05] Lieutenant Colonel0

[04] Major0

[03] Captain0

[02] First Lieutenant0

[01] Second Lieutenant0

[CW5] Chief Warrant Officer 50

[CW4] Chief Warrant Officer 40

[CW3] Chief Warrant Officer 30

[W2] Warrant Officer 20

[W1] Warrant Officer0

[E9] Sergeant Major0

[E9] Master Gunnery Sergeant0

[E8] First Sergeant0

[E8] Master Sergeant0

[E7] Gunnery Sergeant0

[E6] Staff Sergeant0

[E5] Sergeant0

[E4] Corporal0

[E3] Lance Corporal0

[E2] Privet First Class0

[RT] Recruit Training0

Member2

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.

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Time For Trucks#10263671 · 1 shared members

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[usa] Chicago fire dept.#10752122 · 1 shared members

MC;RP#13472030 · 1 shared members

California State firefighters' Association#10958805 · 1 shared members

OfficerBrady Fan Group#11975588 · 1 shared members

Mason County, AR#13243307 · 1 shared members

Township of Ashton#11125344 · 1 shared members

Blooming burg Volunteer Fire Dept.#12917311 · 1 shared members

Williams Volunteer Fire Co.#12649850 · 1 shared members

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.