USMC | United State’s Marine Core #214121835

members (measured 29 Oct 2026, 18:43 UTC)

20 September 2026

created (per Roblox API)

26 September 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 We do not publish numbers we have not measured.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
29 Oct 2026, 18:43	6	first reading

Ownership

Owned by @Operative_Reaper 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

lifetime visits across 1 experiences

United States Marine Core0 playing now

38 visits

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

Members we’ve seen

@Operative_Reaper — [CMC] Commandant of the Marine Corps (rank 33)

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

Rank structure

[CMC] Commandant of the Marine Corps1

[ACMC] Assistant Commandant of the Marine Corps1

[CoS] Chief of STaff1

[DCoS] Deputy Chief of Staff0

[SMMC] Sergeant Major of the Marine Corps0

[SJA] Staff judge Advocate0

[Adj] Adjutant0

[Eng] Engineer1

[INS] Inspector1

[DINS] Deputy Inspector0

[Gen] General0

[LtGen] Lieutenant General0

[MajGen] Major General0

[BGen] Brigadier General0

[Col] Colonel0

[LtCol] Lieutenant Colonel0

[Maj] Major0

[CPT] Captin0

[1stLT] First Lieutenant0

[2ndLT] Second Lieutenant0

[CWO2] Chief Warrant Officer Second Class0

[CWO1] Chief Warrant Officer First Class0

[WO] Warrant Officer0

[SgtMaj] Sergeant Major0

[1stSgt] First Sergeant0

[MSgt] Master Sergeant0

[GySgt] Gunnery Sergeant0

[SSgt] Staff Sergeant0

[SGT] Sergeant0

[CPL] Corporal0

[LCpl] Lance Corporal0

[PVT] Private0

[PFC] Private First Class0

memeber6

Recruit1

Guest0

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

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.