United States Marine Corps | USIS #7741818

3

members (measured 31 Aug 2026, 15:14 UTC)

12 September 2020

created (per Roblox API)

10 August 2026

first measured by this register

Description

Hello and welcome, to the United States Marine Corps [USMC] this is a finely trained division of the United States USIS and are assigned for leading amphibious operations. How to gain entry: Pass a tryout or application.

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 We do not publish numbers we have not measured.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
17 Aug 2026, 20:45	3	first reading

Ownership

Owned by Zayskii (@ZayskiisHeir) as measured.

Members we’ve seen

Zayskii (@ZayskiisHeir) — [POTUS] President Of The United States (rank 255)

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

Rank structure

[POTUS] President Of The United States0

Senior Command0

[CMC] Commandant Of The Marine Corps0

[ACMC] Assistant Commandant Of The Marine Corps Staff0

[SMMC] Sergeant Major Of The Marine Corps Staff0

[IGMC] Inspector General Of The Marine Corps Staff0

[DMCS] Director Of Marine Corps Staff0

[MDEV] Marine Developer0

[O-9] Lieutenant General0

[O-8] Major General0

[O-7] Brigadier General0

[O-6] Colonel0

[O-5] Lieutenant Colonel0

[O-4] Major0

[O-3] Captain0

[O-2] 1st Lieutenant0

[O-1] 2nd Lieutenant0

[E-9] Sergeant Major0

[E-8] Master Sergeant0

[E-7] Gunnery Sergeant0

[E-6] Staff Sergeant0

[E-5] Sergeant0

[E-4] Corporal0

[E-3] Lance Corporal0

[E-2] Private First Class0

Member3

[E-1] Private0

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.

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Thexer Clan#6371531 · 1 shared members

United States Iron Stone Military Academy | USIS#7460996 · 1 shared members

Zay's Empire#9193754 · 1 shared members

Roblox Dream Chasers#12776277 · 1 shared members

United States Army | USIS#8541657 · 1 shared members

2

TC Special Operations Command | USIS#8055240 · 1 shared members

2

ぞぞ#33057056 · 1 shared members

2

United States Military Police | USIS#7838152 · 1 shared members

2

United States Army Rangers | USIS#8545236 · 1 shared members

2

Air Education and Training Command | USIS#16451177 · 1 shared members

1

Military Police Education | USIS#16255894 · 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.