3rd Marine Littoral Regiment was activated on March 3, 2022, on Marine Corps Base Hawaii, Kaneohe Bay. 3rd MLR was redesignated from 3rd Marine Regiment and inherits the lineage of that storied regiment. The Marine Littoral Regiment, as a part of the Stand-in Force, disrupts the adversary in a contested littoral environment through reconnaissance, counter-reconnaissance, and sea denial operations in order to support the maritime campaign.
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A U.S. Marine Corps Marine Air Defense Integrated System Mk1 assigned to 3rd Littoral Anti-Air Battalion, 3rd Marine Littoral Regiment, 3rd Marine...
U.S. Marines with 3rd Littoral Logistics Battalion and 3rd Littoral Combat Team, 3rd Marine Littoral Regiment, 3rd Marine Division, conduct a...
U.S. Airmen with 535th Airlift Squadron and Marines with 3rd Littoral Anti-Air Battalion, 3rd Marine Littoral Regiment, 3rd Marine Division, load a...
U.S. Marines with 3rd Marine Littoral Regiment, 3rd Marine Division, pose for a photo with Republic of Korea Marines behind small unmanned aerial...
A U.S. Army Maneuver Support Vessel (Light) (MSV(L)) supported by 7th Transportation Brigade is utilized for on and offloading drills with U.S....
Col. Gabriel L. Diana, 3rd Marine Littoral Regiment commanding officer, right, and staff tour the Virginia-class fast-attack submarine USS Vermont...
U.S. Marines with 3d Littoral Combat Team, 3d Marine Littoral Regiment, 3d Marine Division, operate the Navy-Marine Expeditionary Ship Interdiction...
A U.S. Army CH-47 Chinook with 25th Combat Aviation Brigade, 25th Infantry Division, prepares to take off after transporting U.S. Marines with 3d...
U.S. Marine Corps Maj. Daniel J. Pacheco, a CH-53 Super Stallion pilot and the air officer with 3rd Marine Littoral Regiment, 3rd Marine Division, was awarded the Navy and Marine Corps Commendation Medal after helping save a fellow Marine's life following a motorcycle crash on the Pali Highway, Oahu, Hawaii, on Oct. 26, 2025.
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3rd Marine Littoral Regiment, 3rd Marine Division, conducted a joint training exercise aimed at enhancing and synchronizing communications capabilities at Marine Corps Training Area Bellows, Hawaii, Oct. 22, 2025. This communications exercise involved collaboration between U.S. Marines with 3rd MLR and U.S. Army Soldiers from the 3rd Multi-Domain Task Force, as well as participation from U.S. Marines with 12th Marine Littoral Regiment based out of Okinawa, Japan.
U.S. Marines with 3rd Littoral Combat Team and 3rd Littoral Logistic Battalion, 3rd Marine Littoral Regiment, 3rd Marine Division, performed drills using the U.S. Army’s Maneuver Support Vessel (Light) alongside soldiers assigned to 7th Transportation Brigade (Expeditionary) on Wednesday.