| United States Forces Korea | USFK #12365365

127

members (measured 25 Aug 2026, 08:01 UTC)

24 September 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 We do not publish numbers we have not measured.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
10 Aug 2026, 19:09	127	first reading

Ownership

Owned by @US_OP3ATOR as measured.

Experiences

players in this group’s experiences right now

5,374

lifetime visits across 4 experiences

[USFK] Camp Humpreys, Pyeongtaek0 playing now

Korea Combat Training Center [USFK]0 playing now

27 visits

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

Members we’ve seen

@US_OP3ATOR — [CUSFK] Commander of United States Forces Korea (rank 255)

Yuhon (@C_Sharps) — [Dev] (rank 200)

sdsoso (@YoonSeok_yeol) — [Dev] (rank 200)

HaubitzenHistorian (@OneHistorian) — [O-3] Captain (rank 23) terminated

@gbaus4759 — [E-5] Sergeant (rank 9)

Sycsph (@Sycsph_Lucky) — [E-1] Recruit (rank 1)

@sdioq104 — [E-1] Recruit (rank 1)

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

Rank structure

[CUSFK] Commander of United States Forces Korea1

[VCUSFK] Vice Commander of United States Forces Korea0

[Dev]5

[2nd IDC] 2nd Infantry Division Commander0

[MARFORKC] U.S. Marine Corps Forces Korea Commander0

[O-7] Brigade General0

[O-6] Colonel1

[O-5] Lieutenant Colonel0

[O-4] Major1

[O-3] Captain2

[O-2] Lieutenant0

[O-1] Second Lieutenant2

[E-9] Sergeant Major0

[E-8] Master Sergeant0

[E-7] Sergeant First Class1

[E-6] Staff Sergeant1

[E-5] Sergeant4

[E-4] Coporal0

[E-3] Private First Class0

[E-2] Private1

멤버127

[E-1] Recruit108

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.