[US|MC] 1st Marine Division #5724579

members (measured 12 Oct 2026, 18:44 UTC)

7 March 2020

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 We do not publish numbers we have not measured.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
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 — 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

Commandant of the Marine Corps0

I MEF Staff0

Commanding General0

Deputy Commanding General0

Sergeant Major0

Chief of Staff0

Regiment Commanding Officer0

Regiment Staff0

Battalion Commanding Officer0

Battalion Staff0

1st Tank Battalion0

3rd Assualt Amphibian Battalion0

1st Reconnaissance Battalion0

1st Regiment0

School of Infantry0

Awaiting Placement0

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.