|USMC| Officer Candidate School ᅠ ᅠ ᅠ ᅠ #33498155

members (measured 22 Sept 2026, 16:14 UTC)

12 December 2023

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 We do not publish numbers we have not measured.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
16 Aug 2026, 14:14	2	first reading

Ownership

Owned by @JamiesMarineCorps 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

@JamiesMarineCorps — Holder (rank 255)

Jamie (@JamieNebula) — Joint Chiefs of Staff (rank 254)

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

Rank structure

Holder1

Joint Chiefs of Staff1

[CG] Commanding General0

[DCG] Deputy Commanding General0

[CSM] Command Sergeant Major0

[CO] Commanding Officer0

[XO] Executive Officer0

[USM] Unit Sergeant Major0

[DCO] Department Commanding Officer0

[DXO] Department Executive Officer0

[DGS] Department Gunnery Sergeant0

[CHQ] Company Headquarters0

[PS] Platoon Staff0

[HI] Head Instructor0

[SI] Senior Instructor0

[INS] Instructor0

[JI] Junior Instructor0

OCS Trainee0

[FE] Final Exam0

[IV] Phase 40

[III] Phase 30

[II] Phase 20

[I] Phase 10

Member2

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 States Marine Corps ᅠ ᅠ ᅠ ᅠ#33392947 · 2 shared members

• | The United States Navy | •#15242395 · 2 shared members

Mаrine Quartermaster Cоrps#33461852 · 2 shared members

|USMC| International External Affairs#33511996 · 2 shared members

|USMC| Training and Education Commandᅠ ᅠ#33429682 · 2 shared members

|USMC| Recruit Training Regiment ᅠ#33475406 · 2 shared members

Police Roleplay Community#4328109 · 1 shared members

2,226,473

|BA| British Army#2621202 · 1 shared members

2,021,254

United States Army #3108077 · 1 shared members

1,430,095

Builders Club#8 · 1 shared members

1,374,790

United States Armed Forces [USA]#3054949 · 1 shared members

1,188,189

[CUSA] United States MiIitary#4219097 · 1 shared members

1,153,328

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.