1st Marine Division

1st Mar Div Logo
I Marine Expeditionary Force
Camp Pendleton, California

Who we are

The 1st Marine Division is the oldest, largest and most decorated Marine division. Headquartered at Camp Pendleton, California, the Division is a force of 20,000 men and women organized to conduct combat operations. The 1st Marine Division is an adaptable expeditionary force in readiness; generating, deploying and returning forces in support of global force management. The Division stands ready to conduct contingency response requirements and is prepared to deploy as a scalable ground combat element to defeat peer, near-peer and hybrid threats across the range of military operations.

01

SLTE Night Company Attacks

U.S. Marines with 3rd Battalion, 7th Marine Regiment, 1st Marine Division, receive a safety brief before a live-fire range during a service level...

02

Two-Five Day

U.S. Marines with 2nd Battalion, 5th Marine Regiment, 1st Marine Division, grapple during Two-Five Day at Marine Corps Base Camp Pendleton,...

03

7th Marines conduct SLTE

A U.S. Marine with Tactical Training and Exercise Control Group, Marine Air-Ground Task Force Training Command, Marine Corps Air-Ground Combat...

04

Mountain Training Exercise 1-26

U.S. Marines with Fury Company, 2nd Battalion, 4th Marine Regiment, 1st Marine Division, hike during Mountain Training Exercise 1-26 at Marine Corps...

05

11th Marines Celebrate St. Barbara's Day

A Saint Barbara trophy is presented during a Saint Barbara’s Day celebration at Marine Corps Base Camp Pendleton, California, Jan. 8, 2026. Artillery...

06

V15 conducts simulated raid

U.S. Marine Corps Sgt. Charles Asher, an assistant patrol leader with Blackfoot Company, 1st Battalion, 5th Marine Regiment, 1st Marine Division,...

 

CONNECT WITH US