[ - ] 1st Marine Division #564377600

members (measured 22 Oct 2026, 11:15 UTC)

5 July 2025

created (per Roblox API)

13 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 We do not publish numbers we have not measured.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, 00:03	3	first reading

Ownership

Owned by @usmc_ownership 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

@usmc_ownership — [Holder] (rank 255)

USN_HOLDER (@HUSMC_HOLDER) — [AP] Awaiting Placement (rank 1)

USMC_Holder (@Holderplane103) — Member (rank 1)

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

Rank structure

[Holder]1

[MCS] Marine Corps Staff0

[CG] Commanding General0

[DCG] Deputy Commanding General0

[CSM] Commanding Sergeant Major0

[CO] Commanding Officer0

[XO] Executive Officer0

[DSM] Divisional Sergeant Major0

[BCO] Battalion Commanding Officer0

[BXO] Battalion Executive Officer0

[CCO] Company Commanding Officer0

[CXO] Company Executive Officer0

[CI] Combat Instructor0

[PL] Platoon Leader0

[PS] Platoon Sergeant0

[1LARB] Alpha Company0

[1LARB] Bravo Company0

[2/5] Echo Company0

[2/5] Fox Company0

Member3

[AP] Awaiting Placement2

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.

[ - ] 3rd Marine Aircraft Wing#679393967 · 3 shared members

Hawaii United States Marine Corps#33772860 · 2 shared members

109

The brotherhood studios#7472751 · 1 shared members

[++] 1st Special Forces Operational Detachment#219479400 · 1 shared members

[++] United States Air Force#12025202 · 1 shared members

[ - ] Military Police School#437376882 · 1 shared members

[—] Quartermaster Corps [—]#34076361 · 1 shared members

[++] Training and Doctrine Command#731827641 · 1 shared members

[ - ] Marine Raider Training Centre#35610899 · 1 shared members

H-USMC | Foreign Affairs Department#33781645 · 1 shared members

H-USMC | Marine Corps Military Police#33773077 · 1 shared members

[ - ] Expeditionary Warfare School#220887563 · 1 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.