1st Marine Division #1126672
Description
The 1st Marine Division is a Marine infantry division of the United States Marine Corps headquartered at Marine Corps Base Camp Pendleton, California. It is a subordinate unit of the I Marine Expeditionary Force (I MEF). It is the oldest and largest active duty division in the United States Marine Corps, representing a combat-ready force of men and women. It is one of three active duty divisions in the Marine Corps today and is a multi-role, expeditionary ground combat force. It is nicknamed "The Old Breed". NOTE: The Auxiliary Regiment contains: 1st Reconnaissance Battalion 1st Tank Battalion 1st Light Armored Reconnaissance Battalion 3rd Light Armored Reconnaissance Battalion 1st Combat Engineer Battalion 3rd Combat Engineer Battalion 3rd Assault Amphibian Battalion
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 We do not publish numbers we have not measured.
| Measured (UTC) | Members | Change |
|---|---|---|
| 26 Aug 2026, 17:51 | 1 | first reading |
Ownership
Owned by @Mcdo as measured.
Members we’ve seen
@Mcdo — President (rank 255)
A sample — only members this register has independently measured, highest rank first. Not the full roster.
Related groups
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Open data
Download this group’s measured record — free to reuse with attribution: membership history (CSV) · full record (JSON)
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