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-USMC- Officer Candidate School . #11000209

1
members (measured 3 Nov 2026, 00:48 UTC)
3 June 2021
created (per Roblox API)
10 August 2026
first measured by this register

Description

The group where Senior Enlisted in the United States Marine Corps go through multiple phases to become a Officer and a possible future leader!

Written by the group; not a statement 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 We do not publish numbers we have not measured.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)MembersChange
31 Oct 2026, 12:061first reading

Ownership

Owned by @Hasbullaaaaa01 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

@Hasbullaaaaa01 — Holder (rank 255) terminated

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

Rank structure

Holder0
MARINE STAFF0
[CO] Commanding Officer0
[XO] Executive Officer0
[L] Lead Instructor0
[CI] Chief Instructor0
[SI] Senior Instructor0
[I] Instructor0
[JI] Junior Instructor0
Final Examination0
[PIII] Phase III0
[PII] Phase II0
Member1
[PI] Phase I0
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.