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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From left, U.S. Marine Corps Lance Cpl. Adriano Malpartida, a small unmanned aerial systems operator, and Lance Cpl. Dayton Nooner, a combat...
U.S. Marines assigned to 3rd Littoral Combat Team, 3rd Marine Littoral Regiment, 3rd Marine Division, learn trap making during a jungle survival...
U.S. Marine Corps Lance Cpl. Darren Spencer, a radio operator assigned to 3rd Littoral Combat Team, 3rd Marine Littoral Regiment, 3rd Marine...
A Navy-Marine Expeditionary Ship Interdiction System assigned to 3rd Littoral Combat Team, 3rd Marine Littoral Regiment, 3rd Marine Division, is...
A U.S. Marine Corps Navy-Marine Expeditionary Ship Interdiction System, right, assigned 3rd Littoral Combat Team, 3rd Marine Littoral Regiment, 3rd...
From left, a Navy-Marine Expeditionary Ship Interdiction System Leader Vehicle, a NMESIS, and a Mobile Command Vehicle, all assigned to 3rd Littoral...
Gilberto C. Teodoro Jr., Secretary of National Defense of the Philippines, and Shinjiro Koizumi, Minister of Defense of Japan, pose for a group photo...
U.S. Marines with 3rd Littoral Combat Team, 3rd Marine Littoral Regiment, 3rd Marine Division, operate a Neros Archer first-person view drone during...
3rd Marine Littoral Regiment completed maritime key terrain security operations during Exercise Kaagapay Ng Mga Mandirigma Ng Dagat 10, also known as KAMANDAG 10, across multiple expeditionary sites in the Batanes Islands, Philippines, June 19-29. The training enhanced interoperability with the Philippine Marine Corps and demonstrated partnered littoral mobility, advanced sensing capabilities, simulated maritime fires, and force protection to rapidly secure key maritime terrain in support of a free and open Indo-Pacific.
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U.S. Marines with 3rd Marine Littoral Regiment, 3rd Marine Division, alongside Philippine marines with 4th Marine Brigade, Philippine Marine Corps, successfully transported personnel, sustainment supplies and advanced coastal defense systems aboard Philippine vessels during bilateral littoral mobility training in Northern Luzon, June 21-22, 2026, in support of the Philippine-led exercise, KAMANDAG 10. The training enhanced the ability of U.S. and Philippine forces to move and sustain personnel and equipment across complex maritime terrain while strengthening interoperability and combined readiness.
In a powerful demonstration of allied interoperability, 3rd Marine Littoral Regiment served as the mission commander for a complex, live-fire maritime strike, as a culminating event during Exercise Balikatan 2026, integrating Philippine, U.S., and Japanese strike capabilities. The operation showcased the Hawaii-based regiment's ability to seamlessly connect a vast network of combined and joint partners, orchestrating precise, layered maritime firepower.