[—] United States Marine Corps Operation Command. #10425387

members (measured 22 Sept 2026, 00:02 UTC)

18 April 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 We do not publish numbers we have not measured.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
20 Aug 2026, 00:36	2	first reading

Ownership

Owned by Astr0STARZ (@ChxppaPlayz) 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

Astr0STARZ (@ChxppaPlayz) — [H] Holder (rank 255)

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

Rank structure

[H] Holder0

[CMC] Commandant Of The Marine Corps0

[ACMC] Assistant Commandant Of The Marine Corps0

[IGMC] Inspector General Of The Marine Corps0

[SMMC] Sergeant Major Of The Marine Corps0

[CO] Command Officer0

[XO] Executive Officer0

[CP] Combat Pilot0

[MCI] Marine Combat Instructor0

[G] Graduate0

[PIII] Phase 30

[PII] Phase 20

Member2

[PI] Phase 10

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.