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The official X account of I MEF. Links, Likes, and RTs do not constitute endorsement.

Camp Pendleton, California
Joined May 2013
Photo by I Marine Expeditionary Force (@1stMEF)Photo by I Marine Expeditionary Force (@1stMEF)Photo by I Marine Expeditionary Force (@1stMEF)Photo by I Marine Expeditionary Force (@1stMEF)Photo by I Marine Expeditionary Force (@1stMEF)Photo by I Marine Expeditionary Force (@1stMEF)Photo by I Marine Expeditionary Force (@1stMEF)Photo by I Marine Expeditionary Force (@1stMEF)Photo by I Marine Expeditionary Force (@1stMEF)Photo by I Marine Expeditionary Force (@1stMEF)
๐—ฆ๐˜‚๐—ฝ๐—ฝ๐—ผ๐—ฟ๐˜๐—ถ๐—ป๐—ด ๐—ข๐˜‚๐—ฟ ๐—ช๐—ฎ๐—ฟ๐—ณ๐—ถ๐—ด๐—ต๐˜๐—ฒ๐—ฟ๐˜€ ๐Ÿค ๐Ÿ“Camp Pendleton Mr. Dakota Meyer speaks to Marines about improving living conditions within barracks. Meyer visited I MEF to gain information supporting the improvement of military barracks. @USMC๐Ÿ“ธCpl. Joshua Bustamante
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๐™„๐™ฃ๐™ฉ๐™š๐™œ๐™ง๐™–๐™ฉ๐™š๐™™ ๐™๐™–๐™˜๐™ฉ๐™ž๐™˜๐™จ ๐Ÿ“Yuma, Arizona #Marines with #3dLAR, @1st_Marine_Div, and #MAWTS-1 train during #WTI127. WTI integrates Marine aviation capabilities in support of MAGTF, joint and coalition forces. @USMC๐Ÿ“ธ Sgt. Calah Thompson
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#Marines with #3dAABn, @1st_Marine_Div, swim and run during battalion physical training, Oct. 8, 2026. Unit PT builds esprit de corps, reinforces standards, and strengthens morale and resilience.
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I Marine Expeditionary Force retweeted
PRINTING THE SOLUTION โš™๏ธโš“ The LCE with #TheFighting13th uses advanced 3D printing and fabrication equipment aboard @USSMakinIsland to manufacture vital parts while underway to minimizes our reliance on shore-based supply lines. @Marines @PacificMarines @1stMEF
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Courage is at the heart of our core values. Small unit leaders build trust, connection, and resilience, creating a culture where every Marine knows they never fight alone. #NoMarineFightsAlone #IMEF
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I Marine Expeditionary Force retweeted
#PacificMarines assigned to @1st_Marine_Div utilize #LAV25 Light Armored Vehicles and VXE-30 #Stalker small-unmanned aircraft systems during Weapons and Tactics Instructor Course 1-27 at Yuma, #Arizona, Oct. 6, 2026. ๐Ÿ“ธ: Sgt. Calah Thompson | @USMC @1stMEF @USPACOM
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Eyes Over The Pacific A #Marines AH-1Z Viper assigned to @Official13thMEU flies over Oahu, Hawaii, Oct. 7, 2026. @USMC ๐Ÿ“ท Lance Cpl. Fernando Cruz Martinez #USMC #13thMEU #Pacific
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#Marines with @1st_Marine_Div conduct a Raid Leaders course at @MCIWPendletonCA, Oct. 8, 2026. The course sharpens raid tactics, techniques, and procedures to prepare Marines to support geographic combat commands.
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I Marine Expeditionary Force retweeted
#PacificMarines with @1st_Marine_Div and Marine Aviation Weapons and Tactics Squadron One participate in the Weapons and Tactics Instructor course 1-27 at Dugway Proving Ground, #Utah, Oct. 7, 2026. ๐Ÿ“ธ: Sgt. Calah Thompson | @USMC @USPACOM
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#Marines with VMFA-314 embrace their families during a homecoming, Oct 1, 2026. Homecomings remind us that no Marine serves alone and highlighting military familiesโ€™ resilience, sacrifice and support. @USMC ๐Ÿ“ธ LCpl. Peyton Gilliland #VMFA314 #USMC #NoMarineFightsAlone
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#Marines with 1stMEF and @MCIWPendletonCA hike during Tomahawk 22: Miles that Matter, Sept. 30, 2026. @USMC ๐ŸŽจ by SSgt. James A. Guillory #IMEF #NoMarineFightsAlone
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#Marines with @imig_marines compete during HMMR Day, Oct. 1, 2026. The event celebrates I MIG's redesignation and builds camaraderie and readiness. #IMEF #HMMRDay #EspritDeCorps
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I Marine Expeditionary Force retweeted
SWIFT, SILENT, DEADLY ๐Ÿ—ก๏ธ๐Ÿช‚ U.S. Recon Marines assigned to #TheFighting13th launch from @USSMakinIsland to conduct military free-fall training over @MCB_Hawaii. This capability ensures we can rapidly deploy from ship to objective. @USMC @USNavy @1stMEF
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What does resiliency mean to you? #Marines and #Sailors with #IMEF and @MCIWPendletonCA explain what resiliency means to them during the Tomahawk 22: Miles that Matter hike @USMC ๐ŸŽฅ by Lance Cpl. Kelani Franklin #IMEF #resiliency #NoMarineFightsAlone
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Marines with @1stMEF, @PacificMarines, and MCAGCC participate in the COMMSTRAT field training exercise. The five-day COMMSTRAT FTX focused on increasing technical acumen and tactical proficiency to provide commanders with capable COMMSTRAT forces at the tactical level.
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I Marine Expeditionary Force retweeted
Today, @CMC_MarineCorps and I visited @1stMEF and spoke with Marines and Sailors to discuss the importance of being fit in mind, body, and soul. Semper Fi!
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Marines and Sailors with IMEF and @MCIWPendletonCA participate in the Tomahawk 22: Miles that Matter hike, Sept. 30, 2026. Tomahawk 22 strengthened the physical, mental, social and spiritual fitness needed to overcome friction and perform under pressure. #NoMarineFightsAlone
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Marines across #IMEF attend Operational Stress Control and Readiness Generation IV training, Sept. 29, 2026. OSCAR is a leader-led, peer-supported program designed to equip the force with the skills to prevent, early stress reactions, promoting total fitness and combat readiness.
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Spiritual fitness is foundational to warfighting. To maintain a high level of morale & efficiency in combat, small-unit leaders must understand how to exercise and maintain there own spiritual fitness while leading Marines and Sailors to do the same. #NoMarineFightsAlone
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#Marines with #1stCRR, #1stMLG, conduct a pass and review during a relief and appointment ceremony, Sept. 17, 2026. The ceremony represents the transfer of responsibility and leadership of 1st CRR from Sgt. Maj. Carlos Granados to Sgt. Maj. Benjamin Maynard.
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