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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U.S. Marines with 3rd Littoral Combat Team, 3rd Marine Littoral Regiment, 3rd Marine Division, engage simulated targets with an M240G/B medium...
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 and Sailors with 3rd Marine Littoral Regiment executed a suite of dry-fire and live-fire ranges that concluded with a Marine Corps Combat Readiness Evaluation, February 6-11, 2026. The series of ranges and subsequent evaluation validated weapon system and tactical proficiency, bolstering warfighting readiness and preparing the unit for future operational requirements as a premier Stand-in Force within the Indo-Pacific.
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Sgt. Ryan Wass, a sensor platoon maintenance chief with air control battery, 3rd Littoral Anti-Air Battalion, 3rd Marine Littoral Regiment, was recognized as the U.S. Missile Defender of the Year for the Marine Corps during the 16th Annual Missile Defender of the Year Award Ceremony in Alexandria, Virginia, Jan. 16, 2026.
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.