Vault 56 Medical Department #16159496

members (measured 15 Aug 2026, 14:48 UTC)

19 October 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 We do not publish numbers we have not measured.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
12 Aug 2026, 21:38	12	first reading

Ownership

Owned by Poseidon (@P0SE1ID0N) as measured.

Members we’ve seen

Poseidon (@P0SE1ID0N) — [X-ENG] Vault-Tek Engineer (rank 255)

gurt (@MajorOcto) — [M1] Intern (rank 1)

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

Rank structure

[X-ENG] Vault-Tek Engineer1

[X-BRD] Vault-Tek Board1

[X-MGT] Vault-Tek Managment1

[OS-56] Overseer0

[V-HDP] Head of Department0

[M5] Senior Doctor0

[M4] Doctor1

[M3] Senior Nurse0

[M2] Nurse0

Member12

[M1] Intern8

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.

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Vault 56 Security Department#16138584 · 2 shared members

The Flamingo Fan Club#3336691 · 1 shared members

9,876,724

Pinewood Builders#159511 · 1 shared members

2,767,788

|GAR| Grand Army of the Republic |#5214183 · 1 shared members

1,662,448

SCP | Roleplay Community#5479038 · 1 shared members

1,235,498

SEA Military#2648601 · 1 shared members

1,188,906

Innovation Inc.#157764 · 1 shared members

1,103,966

·InVision Games#10861603 · 1 shared members

953,989

Hapless Studios#5502618 · 1 shared members

837,730

Pinewood Builders Security Team#645836 · 1 shared members

238,147

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.