|MRT| Marine Raid Training Center |MRT| #14123565

members (measured 23 Oct 2026, 08:36 UTC)

20 February 2022

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 We do not publish numbers we have not measured.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
21 Aug 2026, 13:44	3	first reading

Ownership

Owned by Heisenberg (@Rockstarcarn2010) 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

Heisenberg (@Rockstarcarn2010) — Holder (rank 255)

CoolsinAviator (@cool5sincarapro5) — Marine Staff (rank 254) terminated

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

Rank structure

Holder0

Marine Staff0

[CG] Commanding General0

[DCG] Deputy Commanding General0

[LSCO] Lead Section Commanding Officer0

[SC] Section Commander0

[XO] Executive Officer0

[CO] Commanding Officer0

[VCO] Vice Commanding Officer0

[HMT] Head Marine Trainer0

[SMT] Senior Marine Trainer0

[MT] Marine Trainer0

[JMT] Junior Marine Trainer0

Graduated0

Phase 30

Phase 20

Member3

Phase 10

Guest0

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

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Groups whose measured members overlap with this one — a sample from our membership graph.

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United States Army #4121686 · 2 shared members

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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.