The United States ‌‌‌‌Marine Corps #3414714

members (measured 21 Sept 2026, 15:43 UTC)

15 August 2017

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 We do not publish numbers we have not measured.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
11 Aug 2026, 11:53	1	first reading

Ownership

Owned by Iowa (@USNIowa) 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

Iowa (@USNIowa) — [Group Holder] (rank 255)

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

Rank structure

[Group Holder]0

[Allied Ambassadors]0

[CMC/ACMC] Commandant of the Marine Corps / Assistant Commandant of the Marine Corps0

[O9/O10] Lieutenant General / General0

[O7/O8] Brigadier General / Major General0

[O5/O6] Lieutenant Colonel / Colonel0

[O3/O4] Captain / Major0

[O1/O2] Second Lieutenant / First Lieutenant0

[W1-CW5] Warrant Officer 1 / CWO 2-50

[E9] Sergeant Major of the Marine Corps0

[E9] Master Gunnery Sergeant / Sergeant Major0

[E8] Master Sergeant / First Sergeant0

[E7] Gunnery Sergeant0

[E6] Staff Sergeant0

[E5] Sergeant0

[E4] Corporal0

[E3] Lance Corporal0

[E2] Private First Class0

Member1

[E1] Private0

Guest0

Roles and per-rank member counts as Roblox reports them (rank 0 = guest … 255 = owner).

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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.