RDUSA | United States Marine Corp #16857261

18

members (measured 13 Oct 2026, 10:44 UTC)

23 January 2023

created (per Roblox API)

10 August 2026

first measured by this register

Membership history

Growth

2 measurements spanning 61 days, net -1. Dots are measurements; the straight line between them is drawn to join them, not to claim we know the path taken in between — snapshots are recorded only when a count changes, so gaps mean “no change observed”, never “interpolated”. The vertical axis spans 18–19 and does not start at zero.

Measurement log — every members count we have recorded
Measured (UTC)	Members	Change
13 Oct 2026, 10:44	18	-1
12 Aug 2026, 23:44	19	first reading

Ownership

Owned by @ReaperDevCollins as measured.

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

Experiences

0

players in this group’s experiences right now

21

lifetime visits across 1 experiences

San Dieigo, Marine Corps0 playing now

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

Members we’ve seen

@ReaperDevCollins — Secretary of Defense (rank 255)

@jaiddkk — Department of Defense (rank 254)

Grimm Grimmoire (@grimreaper55deathsub) — Joint Chief of Staff (rank 160)

Defy (@Defy_Il) — [O8] Major General (rank 100)

@SWColby — [O2] First Lieutenant (rank 70)

@Cameron_J007 — [O1] Second Lieutenant (rank 65)

Zombqie (@p0weredbyjesus) — [O1] Second Lieutenant (rank 65)

SantaSin (@google_google27376) — [E2] Private First Class (rank 5)

CakNBal1z (@trollfacemem) — [E2] Private First Class (rank 5) terminated

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

Rank structure

Secretary of Defense1

Department of Defense2

[HDEV] Head Developer0

Joint Chief of Staff2

Secretary of the Navy0

[O10] Commandant of the Marine Corps0

[O10] Assistant Commandant of the Marine Corps0

[E9C] Sergeant Major of the Marine Corps0

[O9] Director of Marine Corps Staff0

[O10] General0

[O9] Lieutenant General0

[O8] Major General1

[O7] Brigadier General0

[O6] Colonel0

[O5] Lieutenant Colonel0

[O4] Major0

[O3] Captain0

[O2] First Lieutenant1

[O1] Second Lieutenant7

[CWO5] Chief Warrant Officer 51

[CWO4] Chief Warrant Officer 40

[CWO3] Chief Warrant Officer 30

[CWO2] Chief Warrant Officer 20

[WO] Warrant Officer 11

[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 Class3

Member19

[E1] Private1

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.

United State’s Air Force#36078532 · 8 shared members

RDUSA | United States Military#909980497 · 8 shared members

RDUSA | United States Navy#35514277 · 7 shared members

United States Army #3108077 · 6 shared members

The United States Marine Corpsᅠᅠᅠ#5655676 · 6 shared members

RDUSA | United States Army#56746400 · 6 shared members

RDUSA | Veteran Association#341902313 · 5 shared members

Police Roleplay Community#4328109 · 4 shared members

The US Military 1940s#4545116 · 4 shared members

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

Highfield City Police Department#6117548 · 4 shared members

Unіted Statеs Navy#5000347 · 4 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.