An official website of the United States government
Here's how you know
A .mil website belongs to an official U.S. Department of Defense organization in the United States.
A lock (lock ) or https:// means you’ve safely connected to the .mil website. Share sensitive information only on official, secure websites.

3rd Marine Division
3rd Marine Division Logo
The Fighting Third


3d Marine Division operates as a Stand-In Force in the first island chain to secure, seize, or defend key maritime terrain in order to deny and disrupt adversary actions in support of the Fleet, the Joint Force, and partnered and allied forces.


Cobra Gold 23: Mortar Employment

U.S. Marines with 1st Battalion, 7th Marines sight in a M252 81mm mortar as part of employment drills during Exercise Cobra Gold at Chanthaburi...



U.S. Marines with Combat Logistics Battalion 4, 3d Marine Logistics Group direct a CH-53E Super Stallion with Marine Heavy Helicopter Squadron 465,...


Samurai 23-1

U.S. Marine Corps Lance Cpl. Bryce Hart with Headquarters Battalion, 3d Marine Division provides security during Exercise Samurai 23-1 in the...


3d MLR Marines Conduct MLRTE: Phase II

U.S. Marines with 3d Marine Littoral Regiment, 3d Marine Division prepare to embark a CH-53E Super Stallion during Marine Littoral Regiment Training...


3d MLR Marines Operate the TRUAS

U.S. Marines with 3d Marine Littoral Regiment, 3d Marine Division, employ a Tactical Resupply Unmanned Aircraft System (TRUAS) during Marine Littoral...


ARTP 22.4 – Live-Fire Training

U.S. Marines with 3d Battalion, 12th Marines fire an M777 towed 155 mm howitzer while conducting live-fire training during Artillery Relocation...

Caltrap News

3d Marine Division Leaders

Major General Jay M. Bargeron
Commanding General

Major General Jay M. Bargeron enlisted in the Navy in 1984 and was commissioned as a second

Read Biography

Brigadier General Michael A. Brooks Jr.
Assistant Division Commander

Brigadier General Brooks currently serves as the Assistant Division Commander, 3d Marine Division in

Read Biography

Sergeant Major Michael D. Martinet
Sergeant Major of 3d Marine Division

Sergeant Major Martinet is a native of Pueblo, Colorado.  He enlisted in the United States Marine

Read Biography

Command Master Chief Donald O. Leppert
Command Master Chief

Master Chief Leppert, a native of Binghamton, New York, grew up in Newport, North Carolina, enlisted

Read Biography

Inbound Information
Outbound Information
Click here for the current TCCOR status: