U.S. Headquarters of the Marine Corps 1980s #8276685

members (measured 22 Sept 2026, 18:45 UTC)

7 November 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 We do not publish numbers we have not measured.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
22 Sept 2026, 18:45	1	first reading

Ownership

Owned by @Mount_Holder 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

@Mount_Holder — Holder (rank 255)

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

Rank structure

Holder0

Chairman of the Joint Chiefs of Staff0

Commandant of the Marine Corps0

Assistant Commandant of the Marine Corps0

Sergeant Major of the Marine Corps0

Director of Marine Corps Staff0

Inspector General of the Marine Corps0

Secretary to the Commandant0

Advisor to the Commandant0

Director of Marine Corps Intelligence0

Staff Judge Advocate0

Provost Marshal of the Marine Corps0

Member1

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.

United Stаtes Armed Forcеs#4851253 · 1 shared members

1,000

U.S. Army 1980s#4851287 · 1 shared members

Unіted Statеs Marine Corps#4851286 · 1 shared members

U.S. Navy 1980s#4851289 · 1 shared members

Unіted States Αrmed Forces#13273653 · 1 shared members

U.S. Naval Special Warfare Command 1980s#4867517 · 1 shared members

U.S. Joint Staff 1980s#13179970 · 1 shared members

U.S. Special Operations Command 1980s#4851292 · 1 shared members

U.S. Naval Education and Training Command 1980s#4851370 · 1 shared members

Unіtеd Stаtеs Aіr Force#4851290 · 1 shared members

U.S. Army Forces Command 1980s#4851305 · 1 shared members

U.S. Navy Fleet Forces Command 1980s#4867518 · 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.