USM || United States Marine Corps #33318985

members (measured 13 Oct 2026, 16:03 UTC)

29 October 2023

created (per Roblox API)

10 August 2026

first measured by this register

Military & clansENmilitaryroleplayorganization

Description

Welcome to the United States Marine Corps. Founded on 10/30/2023 by Supersuperman341.

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 We do not publish numbers we have not measured.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)	Members	Change
28 Sept 2026, 11:48	11	first reading

Ownership

Owned by @USMarineHolder1 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

@USMarineHolder1 — Holder (rank 255)

wolf (@wolfwhispering) — [CMC] Commandant of the Marine Corps (rank 250)

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

Rank structure

Holder1

[CJCS] Chairman of the Joint Chiefs of Staff0

[CMC] Commandant of the Marine Corps1

[ACMC] Assistant Commandant of the Marine Corps0

[DMCS] Director, Marine Corps Staff1

[SMMC] Sergeant Major of the Marine Corps1

[HENG] Head Engineer0

[ENG] Engineer1

[O9] Lieutenant General1

[O8] Major General1

[O7] Brigadier General0

[O6] Colonel0

[O5] Lieutenant Colonel0

[O4] Major0

[O3] Captain0

[O2] First Lieutenant0

[O1] Second Lieutenant1

[E9B] Sergeant Major0

[E9A] Master Gunnery Sergeant0

[E8B] First Sergeant0

[E8A] Master Sergeant0

[E7] Gunnery Sergeant2

[E6] Staff Sergeant0

[E5] Sergeant0

[E4] Corporal0

[E3] Lance Corporal0

[E2] Private First Class0

[E1] Private0

[RT] Recruit Training1

Member11

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.

USM || Marine Forces Special Operations Command#33379771 · 2 shared members

USM || I Marine Expeditionary Force#33379740 · 2 shared members

USM || 1st Marine Division#33381041 · 2 shared members

USM || Combat Development Command#33381064 · 2 shared members

USM || Recruit Training Regiment#33381220 · 2 shared members

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Bee Swarm Simulator Club#3982592 · 1 shared members

18,231,051

Car Crushers Community#2726951 · 1 shared members

8,646,118

Powerful Studio#5522949 · 1 shared members

8,054,897

Official Group of Drift Paradise#5216132 · 1 shared members

7,072,708

Nova Wave Games#14089766 · 1 shared members

4,330,444

ROLVe#2613928 · 1 shared members

4,295,378

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.