USM | United States Marines 1950s #6557837
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 We do not publish numbers we have not measured.
| Measured (UTC) | Members | Change |
|---|---|---|
| 17 Aug 2026, 13:21 | 4 | first reading |
Ownership
Owned by @SinisterNoey 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
@SinisterNoey — [HOL] Holder (rank 255) terminated
@SinisterPatriot — Commandant of the Marine Corps (rank 253)
wolf (@wolf100cb) — Private First Class (rank 50) terminated
A sample — only members this register has independently measured, highest rank first. Not the full roster.
Rank structure
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.