[USM] · United States Marines #936436508

members (measured 27 Oct 2026, 19:46 UTC)

16 April 2026

created (per Roblox API)

16 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 We do not publish numbers we have not measured.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
28 Aug 2026, 17:42	3	first reading

Ownership

Owned by USMGroupHolder (@USMGroupHolder20) 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

USMGroupHolder (@USMGroupHolder20) — Holder (rank 255)

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

Rank structure

Holder1

Management2

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[O10] Commandant of the Marine Corps0

[O9] First Deputy Commandant of the Marine Corps0

[O9] Deputy Commandant of the Marine Corps0

[O8] Sergeant Major of the Marine Corps0

[O7] Regimental Commander0

[O6] Battalion Commander0

[O5] Squadron Commander0

[O4] Company Commander0

[O3] Platoon Commander0

[O2] First Lieutenant0

[O1] Second Lieutenant0

[E7] Gunnery Sergeant0

[E6] Staff Sergeant0

[E5] Sergeant0

[E4] Corporal0

[E3] Lance Corporal0

[E2] Private First Class0

[E1] Private3

Guest0

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

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.