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History of MARFORPAC

Marine Forces Pacific (MARFORPAC) is the United States Marine Corps service component command of the United States Indo-Pacific Command (INDOPACOM). Officially established in 1992, MARFORPAC traces its lineage to Marine units that have operated in the Pacific theater since World War II, including key roles in campaigns such as Guadalcanal, Iwo Jima, and Okinawa. Headquartered at Camp H.M. Smith, Hawaii, MARFORPAC is the Corps’ largest field command, overseeing all Marine forces assigned to the Indo-Pacific region. The unit plays a critical role in regional security, deterrence, and crisis response, working closely with allied and partner nations throughout the Pacific.

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ABOUT MARFORPAC

  • Origin and Activation: Marine Forces Pacific (MARFORPAC) was established on July 31, 1992, as part of a major reorganization of the U.S. Marine Corps’ command structure after the end of the Cold War.
  • Largest Field Command: MARFORPAC is the largest field command in the U.S. Marine Corps, comprising more than 86,000 Marines and Sailors.
  • Dual-Hatted Leadership: The Commander of MARFORPAC also typically serves as the Commander of U.S. Marine Corps Forces Korea (MARFORK), reflecting the strategic importance of the Pacific and Korean regions.
  • Vast Area of Responsibility: MARFORPAC’s area of responsibility covers more than half the earth’s surface, from the west coast of the United States to the Indian Ocean, including over 50% of the world’s population.
  • Key Deployments: MARFORPAC units have been integral in major operations, including Operation Enduring Freedom (Afghanistan), Operation Iraqi Freedom, and numerous humanitarian missions in the Asia-Pacific region.
  • Forward-Deployed Forces: The III Marine Expeditionary Force (III MEF), a major subordinate command of MARFORPAC, is forward deployed in Okinawa, Japan, enabling rapid response to crises in the Indo-Pacific.
  • Humanitarian Assistance: MARFORPAC has played key roles in disaster relief, notably in Operation Unified Assistance after the 2004 Indian Ocean tsunami and in response to typhoons and earthquakes in the Pacific.
  • Amphibious Expertise: MARFORPAC regularly conducts large-scale amphibious training exercises such as RIMPAC (Rim of the Pacific Exercise), the world’s largest international maritime exercise.
  • Alliances and Partnerships: MARFORPAC works closely with allied and partner nations throughout the Pacific Rim, strengthening defense ties with countries like Japan, South Korea, Australia, and the Philippines.
  • Strategic Pivot: Following the 2012 U.S. “Pacific Pivot,” MARFORPAC has taken a leading role in rebalancing U.S. military forces toward the Asia-Pacific to counter emerging threats and maintain regional stability.

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