[USA] | United States Marine Corps 1950s #13886109

members (measured 3 Nov 2026, 04:18 UTC)

28 January 2022

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 We do not publish numbers we have not measured.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
15 Aug 2026, 00:32	1	first reading

Ownership

Owned by Mason_Velkaris (@xBlade98x) 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

Mason_Velkaris (@xBlade98x) — President of the United States (rank 255)

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

Rank structure

President of the United States1

Vice President0

Defence Secretary0

[CMC] Commandant of the Marine Corps0

[E4] Corporal0

[E3] Lance Corporal0

[E2] Private First Class0

Member1

[E1] Private0

Guest0

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

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.