1st Marine Expeditionary Brigade (United States)
| 1st Marine Expeditionary Brigade | |
|---|---|
1st MEB insignia | |
| Country | United States |
| Allegiance | United States of America |
| Branch | United States Marine Corps |
| Garrison/HQ | Marine Corps Base Camp Pendleton |
| Commanders | |
| Notable commanders | George R. E. Shell Frederick L. Wieseman Richard G. Weede Keith B. McCutcheon Carl A. Youngdale Marion E. Carl George W. Smith James Mattis George J. Trautman III |
1st Marine Expeditionary Brigade (1st MEB) was a formation most recently assigned to I Marine Expeditionary Force (I MEF). First established as 1st Brigade (1901-1914), the brigade has also been activated as 1st Marine Brigade (1947-1949), 1st Provisional Marine Brigade (1950), 1st Provisional Marine Air-Ground Task Force (1953-1956), 1st Marine Brigade (1956-1985), 1st Marine Amphibious Brigade (1985-1988), and 1st Marine Expeditionary Brigade (1988-1994, 1999-2017).