[USMC1940] United States Marine Corps #5149986

members (measured 12 Oct 2026, 18:01 UTC)

4 September 2019

created (per Roblox API)

10 August 2026

first measured by this register

Description

We're WIP.

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 We do not publish numbers we have not measured.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)	Members	Change
14 Aug 2026, 10:12	1	first reading

Ownership

Owned by @CooperAlternative 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

@CooperAlternative — [CMC] Commandant of the Marine Corps (rank 255) terminated

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

Rank structure

[CMC] Commandant of the Marine Corps0

[ACMC] Assistant Commandant of the Marine Corps0

[O-10] General0

[O-9] Lieutenant General0

[O-7/O-8] [BGEN|MGEN]0

[O-5/O-6] [LTCOL|COL]0

[O-3/O-4] [CAP|MAJ]0

[O-1/O-2] [2LT|1LT]0

[SMMC] Sergeant Major of the Marine Corps0

[SGTMAJ] Sergeant Major0

[E-9] First Sergeant0

[E-8] Master Sergeant0

[E-7] Gunnery Sergeant0

[E-6] Staff Sergeant0

[E-5] Sergeant0

[E-4] Corporal0

[E-3] Lance Corporal0

[E-2] Private First Class0

[E-1] Private0

Member1

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.