U.S Officer Ranking System 1950s #7928266

members (measured 12 Oct 2026, 21:14 UTC)

2 October 2020

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 We do not publish numbers we have not measured.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
11 Aug 2026, 09:48	2	first reading

Ownership

Owned by HolderOfUSM1950s (@P_HarrySTruman) 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

HolderOfUSM1950s (@P_HarrySTruman) — HarrySTruman (rank 255)

Lord (@JozephTruman) — Commander in Chief (rank 254)

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

Rank structure

HarrySTruman1

Commander in Chief1

Chairman of the Joint Chiefs of Staff0

Commander of the US Forces0

Deputy Commander of the US Forces0

-----------------0

Joint Chiefs of Staff0

Vice Joint Chiefs of Staff0

Branch Directors of Staff0

General0

Lieutenant General0

Major General0

Brigadier General0

Colonel0

Lieutenant Colonel0

Major0

Captain0

First Lieutenant0

Member2

Second Lieutenant0

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.

Owner#497442 · 2 shared members

2,076

U.S Quartermaster Corps 1950s#7938388 · 2 shared members

633

U.S Air Force 1950s#6964537 · 2 shared members

U.S Armored License System 1950s#9307522 · 2 shared members

U.S 70th Armoured Regiment 1950s#7039913 · 2 shared members

U.S 1st Armored Division 1950s#8191363 · 2 shared members

The Trumаn Family#8165450 · 2 shared members

U.S Military Treasury 1950's#10546329 · 2 shared members

Army Military Police 1950's#13115255 · 2 shared members

The US Military 1940s#4545116 · 1 shared members

1,541,855

United States Army #3108077 · 1 shared members

1,430,965

United States Armed Forces [USA]#3054949 · 1 shared members

1,188,863

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.