USCGC Munro Completes 112 Day Arctic Patrol
by U.S. Coast Guard Pacific Area
October 24, 2026 The crew of U.S. Coast Guard Cutter Munro (WMSL 755) returned to their Base Alameda homeport on Coast Guard Island on October 9, 2026, following a 112-day Alaska patrol that covered more than 23,000 nautical miles across the Bering Sea and Arctic Ocean. Operating under the Coast Guard Arctic District, Munro deployed to control, secure and defend the nation’s northernmost maritime approaches, enforce living marine resource regulations and strengthen defense interoperability with joint and international partners in an increasingly contested region.
During the patrol, Munro executed Operation Frontier Sentinel, monitoring three Chinese-flagged research vessels operating in and around the U.S. Arctic maritime domain. Munro’s crew ensured the foreign vessels complied with international maritime law while asserting U.S. sovereignty.
Highlighting close allied interoperability, Munro conducted combined exercises with the Royal Canadian Navy. These engagements enhanced bilateral law enforcement cooperation, joint maneuvering, and shared domain awareness among the allied maritime services operating in polar waters.
Munro also integrated into strategic Western Hemisphere defense operations, supporting Operation Tundra Merlin. These operations brought Munro together with U.S. Department of War and Canadian Armed Forces assets to test multi-domain homeland defense architecture, integrate command-and-control networks and validate joint force lethality and response readiness in northern maritime corridors. 
Top Scene - USCGC Munro (WMSL 755) transits the high latitudes of the Arctic Ocean while underway in support of Operations Tundra Merlin and Frontier Sentinel on July 21, 2026. Bottom Scene - Boarding team members on an over‑the‑horizon small boat attached to USCGC Munro (WMSL 755) approach the Royal Canadian Navy’s Arctic Offshore Patrol Vessel HMCS Max Bernays (AOPV 432) during a bilateral boarding exercise in the Arctic Ocean in support of Operation Tundra Merlin on September 9, 2026. (Image created by USA Patriotism! from U.S. Coast Guard photos by U.S. Coast Guard Pacific Area.)
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“The Arctic is a demanding maritime environment that can test any crew and vessel,” said Capt. Adam J. Disque, Munro’s commanding officer. “We were proud to sustain U.S. presence in the region to safeguard our Arctic coastline and reinforce a rules-based order in the High North. We also strengthened our enduring partnership with Canadian counterparts, advancing shared domain awareness and coordination across the remote region. I am exceptionally proud of everything this crew accomplished in one of the world’s most challenging maritime environments.”
Munro served as the frontline guardian of the $6 billion Alaskan commercial fishery. Law enforcement teams conducted living marine resources boardings on commercial fishing vessels operating in the Bering Sea, ensuring compliance with federal safety regulations and fisheries laws to preserve vital fish stocks.
Commissioned in 2017, Munro is one of four 418-foot Legend-class national security cutters homeported in Alameda. The cutter is named in honor of Signalman 1st Class Douglas A. Munro, the only member of the Coast Guard to receive the Medal of Honor for his heroism at Point Cruz, Guadalcanal, on September 27, 1942, where he gave his life rescuing nearly 500 Marines under enemy fire. U.S. Coast Guard | U.S. Coast Guard Academy | Coast Guard Gifts | U.S. Department of Homeland Security |
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