Marine Corps Headquarters ᅠ ᅠ #10203275

members (measured 12 Oct 2026, 23:50 UTC)

1 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 We do not publish numbers we have not measured.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
4 Oct 2026, 23:06	1	first reading

Ownership

Owned by @USMCAide 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

@USMCAide — Holder (rank 255)

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

Rank structure

Holder0

Commandant of the Marine Corps0

Assistant Commandant of the Marine Corps0

Sergeant Major of the Marine Corps0

Director of the Marine Corps Staff0

Inspector General of the Marine Corps0

▬▬▬▬▬▬0

Office of the Commandant0

Office of the Assistant Commandant0

Office of the Sergeant Major0

Office of the Director0

Office of the Inspector General0

▬▬▬▬0

Senior Command Staff0

Command Staff0

Member1

Awaiting Placement0

Guest0

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

Related groups

Groups whose measured members overlap with this one — a sample from our membership graph.

The United States Marine Corps ᅠ ᅠ#10201617 · 1 shared members

Training & Education Command ᅠ ᅠ#10202989 · 1 shared members

Marine Game Administration ᅠ ᅠ#10203179 · 1 shared members

Marine Foreign Affairs ᅠ ᅠ#10203239 · 1 shared members

3rd Marine Air Wing ᅠ ᅠ#10203464 · 1 shared members

Marine Military Police ᅠ ᅠ#10203090 · 1 shared members

Marine Forces Special Operations Command ᅠ ᅠ#10203446 · 1 shared members

I Marine Expeditionary Force ᅠ ᅠ#10203458 · 1 shared members

Force Reconnaissance' ᅠ ᅠ#10203504 · 1 shared members

Criminal Investigation Division ᅠ#10203486 · 1 shared members

Special Reaction Team' ᅠ ᅠ#10203494 · 1 shared members

Office of the Inspector General' ᅠ#10203534 · 1 shared members

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.