[USMC] Headquarters, Of The Marine Corps #544175189

members (measured 28 Oct 2026, 14:41 UTC)

2 January 2026

created (per Roblox API)

13 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 We do not publish numbers we have not measured.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 Oct 2026, 14:41	1	first reading

Ownership

Owned by allhailMason (@Ilikepickles932) 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

allhailMason (@Ilikepickles932) — [SECDEF] Secretary Of Defense (rank 255)

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

Rank structure

[SECDEF] Secretary Of Defense1

[UNSECDEF] Under Secretary Of Defense0

[CMC] Commandant Of The Marine Corps0

[ACMC] Assistant Commandant Of The Marine Corps0

[SMMC] Sergeant Major Of The Marine Corps0

[DCMS] Director Of Marine Corps Staff0

[IGMC] Inspector General Of The Marine Corps0

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.