. [USMC] United States Marine Corps #7375392

members (measured 21 Sept 2026, 20:34 UTC)

9 August 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 We do not publish numbers we have not measured.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
25 Aug 2026, 01:42	2	first reading

Ownership

Owned by JamieBingBong (@Officer_Jamie123) 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

JamieBingBong (@Officer_Jamie123) — Administrator (rank 255)

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

Rank structure

Administrator0

Deputy Administrator0

Director of Operations0

Administrative Secretary0

Chief of the Astronaut Office0

Deputy Chief of the Astronaut Office0

Director of Ground Operations0

Deputy Director of Ground Operations0

Director of Launch Operations0

Deputy Director of Launch Operations0

Director of Engineering0

Deputy Director of Engineering0

Director of Community Affairs0

Deputy Director of Community Affairs0

Community Affairs Department0

Engineer0

Deputy Director of Astronaut Training Programme0

Director of Astronaut Training Programme0

ATP Senior Instructor0

ATP Instructor0

Qualified Astronaut0

Astronaut Training Programme0

Mission Control0

Ground Operations0

Launch Operations0

Valued Visitor0

Visitor0

Member2

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.