| USMC | 11th Marine Expeditionary Unit | USMC | #13336812

members (measured 3 Nov 2026, 03:40 UTC)

24 December 2021

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 We do not publish numbers we have not measured.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
1 Nov 2026, 17:44	1	first reading

Ownership

Owned by MangoBreath (@baseball33391s_Alt) 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

MangoBreath (@baseball33391s_Alt) — [CJCS] Chairman of the Joint Chiefs of Staff (rank 255)

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

Rank structure

[CJCS] Chairman of the Joint Chiefs of Staff0

[VCJCS] Vice Chairman of the Joint Chiefs of Staff0

[HQ] Headquarters, Marine Corps0

[CO] Commanding Officer0

[XO] Executive Officer0

[CoS] Chief of Staff0

[SEA] Senior Enlisted Advisor0

[BS] Battalion Staff0

[CS] Company Staff0

[GCE] Ground Combat Element0

[ACE] Aviation Combat Element0

[MRF] Maritime Raid Force0

Member1

[A] Admission0

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.