The United States Marine Corps "Semper Fidelis" #9608783

members (measured 12 Oct 2026, 23:04 UTC)

15 February 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 We do not publish numbers we have not measured.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
14 Aug 2026, 21:58	31	first reading

Ownership

Owned by JoinTheOpenSpace (@HolderJapaneseHolder) as measured.

Groups seen changing owner — the largest ever handed over and the most recent — are on the ownership transfers board.

Experiences

players in this group’s experiences right now

1,552

lifetime visits across 3 experiences

(WIP) Parris Island0 playing now

1,263 visits

Camp Leatherneck in Helmand Province, Afghanistan0 playing now

238 visits

[BETA!] Marine Corps, Parris Island V.30 playing now

51 visits

Experiences this group owns, by lifetime visits. Live-player counts are from our last measurement.

Members we’ve seen

JoinTheOpenSpace (@HolderJapaneseHolder) — [H] Holder (rank 255)

2ndAmendmentEnjoyer (@drypatrules) — [RT] Recruit Training (rank 1) terminated

@Atlas_Holdings — [RT] Recruit Training (rank 1)

revolt1mp4 (@Airforcedot) — [RT] Recruit Training (rank 1)

Toby (@Toby197012) — [RT] Recruit Training (rank 1)

カイル (@epicbudderking2) — [RT] Recruit Training (rank 1)

CaliAtlas (@CaIIum132) — [RT] Recruit Training (rank 1)

ERROR (@Airpainfan) — [RT] Recruit Training (rank 1)

evarium (@KyloRen43210) — [RT] Recruit Training (rank 1)

EndedCatch (@catchmeended) — [RT] Recruit Training (rank 1) terminated

Stryker (@ShadowStrykerGamer) — [RT] Recruit Training (rank 1)

Messi (@godzilla35168) — [RT] Recruit Training (rank 1)

Makar8 (@Eclixus) — [RT] Recruit Training (rank 1)

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

Rank structure

[H] Holder1

———————————0

POTUS | President0

VP | Vice President0

[SECNAV] Secretary Of Defence0

[ASN] Assistant Secretary Of Defence0

[CJCS] Chairman of the Joint Chiefs of Staff0

[VJCS] Vice Chairman of the Joint Chiefs of Staff0

————————————-0

[DOD] Department Of Defence0

[CMC] Commandant Of The Marine Corps0

[ACMC] Assistant Commandant Of The Marine Corps0

[DMCS] Director Of Marine Corps Staff0

[IGMC] Inspector General Of The Marine Corps0

[SMMC] Sergeant Major Of The Marine Corps0

[DEV] Developer0

[O9] Lieutenant General0

[O8] Major General0

[O7] Brigadier General0

[O6] Colonel0

[O5] Lieutenant Colonel0

[O4] Major0

[O3] Captain0

[O2] First Lieutenant0

[O1] Second Lieutenant0

[E9B] Sergeant Major0

[E9A] Master Gunnery Sergeant0

[E8B] First Sergeant0

[E8A] Master Sergeant0

[E7] Gunnery Sergeant0

[E6] Staff Sergeant0

[E5] Sergeant0

[E4] Corporal0

[E3] Lance Corporal0

[E2] Private First Class0

Allied Personnel0

Member31

[RT] Recruit Training30

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.

Pilot Training Club#2794513 · 5 shared members

3,877,789

United States Army #3108077 · 5 shared members

1,430,625

RELL World#1226491 · 4 shared members

6,621,761

Nova Hotels X#4683371 · 4 shared members

1,998,474

United States Armed Forces [USA]#3054949 · 4 shared members

1,188,684

Roblox#7 · 3 shared members

13,511,099

The Flamingo Fan Club#3336691 · 3 shared members

9,880,785

KizmoTek Studio#3115970 · 3 shared members

7,490,899

Police Roleplay Community#4328109 · 3 shared members

2,227,190

Stateview Correctional Facility. ∞#5025380 · 3 shared members

1,006,459

NBTF Community#5164842 · 3 shared members

405,627

The United States Marine Corpsᅠᅠᅠ#5655676 · 3 shared members

378,943

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.