1st Marine Division

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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.

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1st MARDIV holds annual division communications competition

U.S. Marine Corps Cpl. Victorino Betancourtfarias, a transmissions systems operator with Headquarters Battalion, 1st Marine Division, utilizes a...

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1st MARDIV ADC Col. Hoyle promotes to the rank of Brig. Gen.

U.S. Marine Corps Brig. Gen. Ryan Hoyle, the assistant division commander of 1st Marine Division, salutes during a promotion ceremony at Marine Corps...

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1st Bn., 5th Marines participate in TRAP course

U.S. Marines Corps Pfc. Ciraje Cishahayo, an expeditionary firefighting and rescue specialist with 1st Battalion, 5th Marine Regiment, 1st Marine...

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1st Recon Bn. holds Martial Arts Instructor Course 99-25

U.S. Marines with 1st Reconnaissance Battalion, 1st Marine Division, do squad sit-ups during the Martial Arts Instructor Course 99-25 culminating...

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1st MARDIV HQ Bn. Marines participate in conditioning hike

U.S. Marines with Headquarters Battalion, 1st Marine Division, hike as a battalion through o-chlorobenzlidene malonoitrile gas at Marine Corps Base...

Marines with 3rd Assault Amphibian Bn. take part in Bright Star 23
1st Marine Division
Sept. 15, 2023 | 2:41
Marines with 3rd Assault Amphibian Bn. take part in Bright Star 23
1st Marine Division
Sept. 15, 2023 | 2:41
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