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Unit Home
Leaders
Units
Higher Headquarters
U.S. Indo-Pacific Command
MARFORPAC
U.S. Forces Korea
U.S. Forces Japan
U.S. Marine Corps Forces Japan
US Embassy & Consulates in Japan
Adjacent Commands
7th Fleet
I Corps
Pacific Air Forces
U.S. Marine Corps Forces Korea
Major Subordinate Commands
3rd Marine Division
3D Marine Expeditionary Brigade
1st Marine Aircraft Wing
3rd Marine Logistics Group
31st Marine Expeditionary Unit
III MEF Information Group
Leaders
CO
SgtMaj
History
Commands
3rd Intelligence Battalion
CO
SgtMaj
FAMILY READINESS
CI-HUMINT
7thCommBn
SGTMAJ
CO
Contact info
XO
5th ANGLICO
SgtMaj
Base Maps
CO
Contact Info
Family Readiness
Commander's Intent Policy Letter
Violence Prevention Policy Letter
Prohibited Activities and Conduct Policy Letter
3rd RadBn
CO
SGTMAJ
III MEF Support Battalion
CO
SgtMaj
DRC
UVA
Lineage
Honors
Sexual Assault Prevention and Response
IIIMEF Band
Resources
Newcomer Info
MCCS Welcome to Okinawa
MCIPAC JRC
US Forces Pacific Culture Guides
Liberty Regulations
COLA Information
Medical and Dental Information
Reserve Marines
Emergency Preparedness
Command Inspector General
MCCS Okinawa
Destructive Weather and Sea Conditions
Suicide Prevention
Military One Source
III MEF Sexual Assault Prevention and Response (SAPR)
About
SARC Contacts
Okinawa Resources
FAQ
.MIL Users
Marine OnLine
My Pay
Marine Corps University
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Outlook Web Access (JP)
Tactical Web Mail
III MEF SharePoint
DTS Information
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Permissions and Training
Resources
Forms
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Classes
DoD School Liaison
Weather
Kadena Weather
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Joint Typhoon Warning Center
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III MEF/MCIPAC EOA
USFJ Off-Limit Areas
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PRESS RELEASES
III MARINE EXPEDITIONARY FORCE
Okinawa, Japan
03/24/2025
U.S. and ROK Marines Conclude Freedom Shield 25
III Marine Expeditionary Force (III MEF) and 1st Marine Division successfully completed a significant training milestone alongside their Republic of Korea (ROK) Marine Corps counterparts as exercise Freedom Shield (FS) 25 concludes. While this phase of training
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03/08/2025
U.S.-based F-35s replace Hornets in rotational deployments to Japan
The U.S. Marine Corps’ Japan-based aviation forces received their first F-35 deployment from the continental United States on March 8, 2025. Based out of Marine Corps Air Station Yuma, Arizona, Marine Fighter Attack Squadron (VMFA) 214, an F-35B squadron of Marine Aircraft Group 13, 3rd Marine Aircraft Wing, deployed to MCAS Iwakuni, Japan, under the Marine Corps’ Unit Deployment Program to temporarily support MAG-12, 1st MAW flight operations in the Indo-Pacific.
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03/07/2025
U.S. and ROK Marines Train Together during Freedom Shield 25 and the Korean Marine Exercise Program 25.1
Marines from III Marine Expeditionary Force (III MEF) and 1st Marine Division, join their Republic of Korea (ROK) Marine Corps counterparts for annual exercise Freedom Shield 25 and the Korean Marine Exercise Program (KMEP) 25.1.
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02/20/2025
Iron Fist 25, Strengthening U.S. Marine and Japan Forces Combined Amphibious Capabilities
Exercise Iron Fist 2025 begins today, Feb. 19, with an opening ceremony on Camp Hansen, Okinawa, Japan. This 19th iteration of the exercise will occur in various locations in Japan, from Kyushu to Okinawa, and at sea in February and March, 2025.
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12/02/2024
U.S. Marines and Sailors Participate in Bilateral Humanitarian Aid Training
U.S. Marines and U.S. Navy Sailors with III Marine Expeditionary Force, alongside the Japan Self-Defense Force (JSDF) conducted humanitarian aid/disaster response training in Ishigaki City December 1, 2024, during Tomodachi Rescue Exercise and Remote Island Disaster Exercise (T/RIDEX).
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12/01/2024
3d Marine Littoral Regiment Receives NMESIS
U.S. Marines with 3d Marine Littoral Regiment, 3d Marine Division, formally received the Navy-Marine Expeditionary Ship Interdiction System – a mountable, ground-based anti-ship missile launcher – on November 26, 2024. In order to commemorate the intra-service hand-off and acknowledge the months of initial operational testing and evaluation that went into fielding the new weapon system, 3d MLR held a receiving ceremony and NMESIS static display at Dewey Square on Marine Corps Base Hawaii and invited distinguished visitors from across both U.S. and partnered militaries to take part.
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10/24/2024
Senior U.S. Marines Visit Ishigaki
Lt. Gen. James Glynn, commander U.S Marine Corps Forces Pacific, joined Lt. Gen. Roger Turner, III Marine Expeditionary Force commanding general, during a recent trip to Japan Ground Self-Defense Force Camp Ishigaki, Okinawa, Japan October 23, 2024.
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10/22/2024
U.S. Marines Participate in Keen Sword 25
III Marine Expeditionary Force Marines and Sailors will participate in exercise Keen Sword 25, a joint-bilateral biennial exercise, alongside the Japan Self-Defense Force from October 23 through November 1, 2024, throughout Japan.
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10/05/2024
U.S. Marines Deliver Emergency Relief to Phillipines
At the request of the Government of the Republic of the Philippines, Secretary of Defense Lloyd Austin directed U.S. Indo-Pacific Command to support the U.S. Agency for International Development's efforts in foreign disaster relief operations in the Philippines following Typhoon Krathon (locally known as Julian), which made landfall on the Province of Cagayan, Philippines Sep. 30.
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10/04/2024
12th MLR Receives Subordinate Logistics Element, CLB-12 Redesignates to 12th LLB
CAMP HANSEN, OKINAWA, Japan – Combat Logistics Battalion 12 redesignated to 12th Littoral Logistics Battalion (LLB) on October 3, 2024. 12th LLB’s redesignation signifies the next milestone for 12th Marine Littoral Regiment as 12th LLB is their first subordinate element. This redesignation highlights the enduring commitment of the U.S. to the defense of Japan and to peace and stability in the Indo-Pacific.
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