-USMC- 1st Marine Expeditionary Force #2578216

members (measured 2 Oct 2026, 20:38 UTC)

9 May 2015

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 We do not publish numbers we have not measured.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
2 Oct 2026, 20:38	1	first reading

Ownership

Owned by APilotNamedSarge (@SargesaurusRex) 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

APilotNamedSarge (@SargesaurusRex) — Commandant of the Marine Corps (rank 255)

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

Rank structure

Commandant of the Marine Corps1

[C/O] I MEF Commanding General0

[X/O] I MEF Executive Officer0

[SGTMAJ] Sergeant Major of I MEF/ [CoS] Chief of Staff0

[15thMEU] 15th Marine Expeditionary Unit0

[13thMEU] 13th Marine Expeditionary Unit0

[11thMEU] 11th Marine Expeditionary Unit0

[MAW] 3rd Marine Aircraft Wing0

[1MD] 1st Marine Division0

[1stMLG] 1st Marine Logistics Group0

[Awaiting Assignment]0

Member1

[MCT/ITB]0

Guest0

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

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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.