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.


Steel Knight 23.2: 5th Marines certifies to deploy during mission rehearsal exercise. 

The work for deploying Marines doesn’t start when they first set foot in their destination. The work starts months in advance as they train and...


Naval Academy football stars shine during Steel Knight 23.2

U.S. Marines and Sailors from across I Marine Expeditionary Force and Third Fleet join every year in December to execute Exercise Steel Knight. The...


Steel Knight 23.2: 2d Bn., 5th Marines reinforces embassy

U.S. Marines with Fox Company, 2nd Battalion, 5th Marine Regiment, 1st Marine Division, demonstrated their proficiency and flexibility during a...


Rooted in tradition: modern day Navajo Marine continues legacy of service

The Marine Corps is made up of many different people from many different places and many different cultures. Some people join to escape where they...


Faces of the Blue Diamond: the Robinsons

The legacy of the “Old Breed” runs deep in the Robinson family. Master Gunnery Sgt. Robert Robinson serves as the operations chief for 1st Marine...


Faces of the Blue Diamond: Staff Sgt. Thomas Bedman

U.S. Marine Corps Staff Sgt. Thomas Bedman plays a critical role in 1st Marine Division’s amphibious capability as the assistant maintenance chief...


1st Marine Division finishes strong at Exercise Talisman Sabre 23

U.S. Marines and Sailors with 1st Marine Division returned from Australia on Aug. 6 after participating in Exercise Talisman Sabre 23. The exercise...


Pacific-focused, globally ready: 1st Marine Division’s impact reinforces ‘no better friend, no worse enemy’

Blue Diamond Marines and Sailors will train in, and work closely with teammates from Australia, Brazil, France, Indonesia, Japan, Mexico, the...


Secretary of Defense, allied leaders visit with 1st Marine Division at Talisman Sabre 23

World leaders including U.S. Secretary of Defense Lloyd J. Austin III and Australian Deputy Prime Minister Richard Marles, visited with U.S. Marines...


11th Marine Regiment activates first long-range missile battery

In a historic event at Marine Corps Base Camp Pendleton, California, the 11th Marine Regiment, 1st Marine Division activated the Marine Corps’ first...

2nd Bn., 4th Marines participates in distributed maneuver exercise
1st Marine Division
Feb. 16, 2024 | 2:18
2nd Bn., 4th Marines participates in distributed maneuver exercise
1st Marine Division
Feb. 16, 2024 | 2:18
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2nd Bn., 4th Marines participates in distributed maneuver exercise
Sgt. Nate Bullock: four more for the Corps
2nd Bn., 5th Marines trains for tactical recovery of aircraft, personnel
The Blue Diamond and Korean Marines: 70 years of history
1st MARDIV holds colors rededication ceremony


1st Marine Division