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Μaster at Αrms #15159984

1
members (measured 18 Oct 2026, 20:52 UTC)
22 June 2022
created (per Roblox API)
10 August 2026
first measured by this register

Description

𝗠𝗮𝘀𝘁𝗲𝗿-𝗮𝘁-𝗔𝗿𝗺𝘀 The master-at-arms rating is responsible for law enforcement and force protection in the United States Navy—equivalent to the United States Army Military Police, the United States Marine Corps Military Police, the United States Air Force Security Forces, and the United States Coast Guard's Maritime Law Enforcement Specialist. It is one of the oldest ratings in the United States Navy, having been recognized since the inception of the U.S. Navy.

Written by the group; not a statement 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 We do not publish numbers we have not measured.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)MembersChange
18 Oct 2026, 20:521first reading

Ownership

Owned by @NavaIControl 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

@NavaIControl — Secretary of Defense (rank 255)

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

Rank structure

Secretary of Defense0
Department of the Navy0
Headquarters, Navy0
Commanding Officer0
Executive Officer0
Chief of Staff0
Command Master Chief Petty Officer0
Watch Commander0
Watch Deputy Commander0
Operations Leader0
Assistant Master-at-Arms0
Chief Master at Arms0
Lead Petty Officer0
Special Response Team0
Harbor Patrol Unit0
Member1
Probation0
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.

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.