Studies and Observations Group, MACV 1960s #14051787

members (measured 26 Sept 2026, 12:04 UTC)

13 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 We do not publish numbers we have not measured.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
22 Aug 2026, 21:28	2	first reading

Ownership

Owned by AustinCaelestius (@iiAmericaborderii) 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

AustinCaelestius (@iiAmericaborderii) — [SECDEF] Group Protector (rank 255) terminated

@RUSSIANBOII1 — [ODA-B56] SIGMA (rank 3)

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

Rank structure

[SECDEF] Group Protector0

[COM-MACV] Commander, Vietnam Military Assistance Command0

[CO] Commanding Officer (O7-O8)0

[DEPCOM-MACV] Deputy Commander, Vietnam Military Assistance Command0

[DCO] Deputy Commanding Officer (O6-O7)0

[CSM] Command Sergeant Major (E9B)0

[CS] Chief of Staff (O5-O6)0

[COMCON] Command and Control (O2-O7)0

[COCOM] Company Commander (O3)0

[CODC] Company Deputy Commmander0

[CFS] Company First Sergeant (E8)0

[DETLEAD] Detachment Leader (W2-O2)0

[DETSGT] Detachment Sergeant (E7)0

[DETSTAFF] Detachment Staff (E5-W1)0

[ODA-B50] OMEGA0

[ODA-B51] DELTA0

[ODA-B53] Long Thanh0

[ODA-B56] SIGMA0

[ODA-B57] Gamma0

Member2

[AP] Awaiting Placement0

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.