[:• [BDC] Biological Defense Corps •:] #11121255

members (measured 21 Oct 2026, 18:43 UTC)

13 June 2021

created (per Roblox API)

10 August 2026

first measured by this register

OtherENmilitary roleplayfictional organizationsite-72

Description

• Overview of the community: -The Biological Defense Corps (also known as the "Dragons of the Battle") is the branch of the United States Army tasked with defending against chemical, biological, radiological, and nuclear (CBRN) weapons. The corps was founded as the U.S. Chemical Warfare Service (CWS) during World War I. Its name was changed to the Biological Defense Corps in 1946. -The United States Army (USA) is the land service branch of the United States Armed Forces. It is one of the special military services and is designated as the Army of the United States in the U.S. Constitution. As the oldest and most senior branch of the U.S. military in order of precedence, the modern U.S. Army has its roots in the Continental Army, which was formed (1775) to fight the American Revolutionary War (1775–1783)—before the United States of America was established as a country. • Information: -Country: United States. -Branch: United States Army. -Garrison/HQ: Site-72. -Server code: 396AqQE6ds.

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 We do not publish numbers we have not measured.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)	Members	Change
21 Oct 2026, 18:42	2	first reading

Ownership

Owned by Announcement (@oXxKingSenpaixXo) 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

Announcement (@oXxKingSenpaixXo) — [:• [BDC] Biological Defense Corps•:] (rank 255)

zlibb (@oXxKingAlbertoxXo) — [:• [COR] Command Officer Corps •:] (rank 254)

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

Rank structure

[:• [BDC] Biological Defense Corps•:]0

[:• [COR] Command Officer Corps •:]0

[: ------- [: Supreme Military Headquarterss :] ------- :]0

[:• [CI] Chaos Insurgency •:]0

[:• [IMF] Insurgency Military Force •:]0

[:• [RAD] Research And Development •:]0

[:• [SOU] Special Operations Unit •:]0

[: ------- [: Headquarters Operations Division :] ------- :]0

[:• [UNM] United Nations Military •:]0

[: ------- [: Alliance Operations Forces :] ------- :]0

[:• [RAF] Resistance Armed Forces •:]0

[: ------- [: Hostile Operations Forces :] ------- :]0

[:• [USR] United State Residents •:]0

Member2

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.