[USN] Department Of Defence #12914464

members (measured 22 Sept 2026, 02:57 UTC)

14 November 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 We do not publish numbers we have not measured.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
23 Aug 2026, 15:25	2	first reading

Ownership

Owned by GemSin (@GemGameSin) 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

GemSin (@GemGameSin) — [CJCS] Chairman of the Joint Chief of Staff (rank 255)

@FlxzrSin — [JCS] Joint Chief Of Staff (rank 254)

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

Rank structure

[CJCS] Chairman of the Joint Chief of Staff1

[JCS] Joint Chief Of Staff1

[NS] Navy Staff0

[D] Director0

[AD] Assistant Director0

[CoS] Chief of Staff0

[DCoS] Deputy Chief of Staff0

[SEA] Senior Enlisted Advisor0

[HA] Head Agent0

[SA] Senior Agent0

[A] Agent0

[EiC] Editor in Chief0

[DEiC] Deputy Editor in Chief0

[EE] Executive Editor0

[SE] Senior Employee0

[E] Employee0

[JE] Junior Employee0

[R] Reporter0

Phase Candidate0

Member2

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.

Official Group of Drift Paradise#5216132 · 2 shared members

7,072,676

BloxStreet Corporation#2700627 · 2 shared members

1,561,700

The United States Marine Corpsᅠᅠᅠ#5655676 · 2 shared members

378,932

OPFOR Studios#14309341 · 2 shared members

205,526

Arlington National Cemetery ⁃#33675989 · 2 shared members

19,282

Sin Corporation#5919652 · 2 shared members

10,337

[-] Marine Corps Foreign Relations#5685487 · 2 shared members

6,547

[ - ] Marine Corps Officer Candidate School#6141282 · 2 shared members

2,169

Sin™#1140556 · 2 shared members

1,093

Casual F/A-18 Enjoyers#32771562 · 2 shared members

833

[-] United States Marine Corps Funding#16291208 · 2 shared members

292

The Sin Family Legacy#399508806 · 2 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.