[OCS] Officer Candidate School ᅠ ᅠ ᅠᅠ #13368376

members (measured 13 Oct 2026, 03:36 UTC)

25 December 2021

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 We do not publish numbers we have not measured.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, 05:07	3	first reading

Ownership

Owned by RegimentalHolderUSMC (@EPDivision_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

RegimentalHolderUSMC (@EPDivision_Holder) — [CMC] Commandant of the Marine Corps (rank 255)

H0LYW4T3R (@EPthefirst) — [ACMC] Assistant Commandant of the Marine Corps (rank 254)

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

Rank structure

[CMC] Commandant of the Marine Corps1

[ACMC] Assistant Commandant of the Marine Corps2

[HQ] Headquarters0

[CG] Commanding General0

[DCG] Deputy Commanding General0

[CSM] Command Sergeant Major0

[COS] Chief of Staff0

[CO] Commanding Officer0

[BCO] Battalion Commanding Officer0

[BS] Battalion Staff0

[CCO] Company Commanding Officer0

[CS] Company Staff0

[SS] Series Staff0

[HI] Head Instructor0

[SI] Senior Instructor0

[INS] Instructor0

[JI] Junior Instructor0

[P2] Phase 20

[P1] Phase 10

Member3

[EXAM]0

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.

[EUSMC] EP's United States Marine Corps#15591948 · 2 shared members

[CNAF] Foreign Relations#15783437 · 2 shared members

[MPC] Military Police Corpsᅠ ᅠ#15621167 · 2 shared members

[NCIS] Naval Criminal Investigative Service ᅠ ᅠ#15621366 · 2 shared members

[QMC] Quartermaster Corps ᅠ ᅠ#15633480 · 2 shared members

[TECOM] Training and Education Command ᅠ ᅠᅠ ᅠ#15621777 · 2 shared members

[MARSOC] Marine Forces Special Operations Cᴏmmand#15622209 · 2 shared members

[MEF] I Marine Expeditionary Force ᅠ ᅠ#15621603 · 2 shared members

[MOD] Administration and Supportᅠ#34621630 · 2 shared members

[MRR] Marine Raider Regimentᅠ ᅠ#34029144 · 2 shared members

[CID] Criminal Investigation Division ᅠ#15593553 · 2 shared members

[HQ] Headquarters of the Maine Corps#35189008 · 2 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.