USAMC | Marine Corps Headquarters #952833263

members (measured 6 Oct 2026, 21:45 UTC)

15 May 2026

created (per Roblox API)

16 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 We do not publish numbers we have not measured.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
19 Aug 2026, 05:37	1	first reading

Ownership

Owned by Vojak7VIP8 (@semery154) 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

Vojak7VIP8 (@semery154) — [SECDEF] Secretary of Defence (rank 255)

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

Rank structure

[SECDEF] Secretary of Defence1

[DSECDEF] Deputy Secretary of Defence 0

[O10] Commandant of the Marine Corps0

[O10] Assistant Commandant of the Marine Corps0

[O9] Director of Marine Corps Staff0

[O9] Base Operations Director 0

[O8] Inspector General of the Marine Corps0

[O8] Director of Installations Command0

[O8] Director of Maintenance0

[O8] Director of Force Command0

[O8] Judge Advocate General0

[E9C] Sergeant Major of the Marine Corps0

Member1

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.