I Marine Expeditionary Force (@1stMEF) / X

I Marine Expeditionary Force

2,565 posts

I Marine Expeditionary Force

@1stMEF

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

Camp Pendleton, California

imef.marines.mil

Joined May 2013

I Marine Expeditionary Force
@1stMEF
22h
#Marines with #1stMarineDivision, conduct land operations refamiliarization. Amphibious vehicle crews conduct diverse training evolutions across both land and sea, strengthening their ability to operate effectively in austere, complex, and turbulent battlespaces.
I Marine Expeditionary Force
@1stMEF
Jul 10
#Marines with #1stMarineDivision, conduct land operations refamiliarization drills. Amphibious vehicle crews conduct diverse training evolutions across both land and sea, strengthening their ability to operate effectively in austere, complex, and turbulent battlespaces.
I Marine Expeditionary Force
@1stMEF
Jul 9
Marines with #11thMEU, conduct marksmanship training, June 26, 2026. The 11th MEU, embarked aboard the Boxer Amphibious Ready Group, is a persistent, combat credible force contributing to deterrence and crisis response in the U.S. 7th Fleet area of operations.
I Marine Expeditionary Force
@1stMEF
Jul 8
#Marines with @MRFDarwin conduct a live-fire range. Exercise Southern Jackaroo is a trilateral training event between the armed forces of Australia, Japan, and the United States that builds combined combat readiness and interoperability.
I Marine Expeditionary Force
@1stMEF
Jul 7
#USMarineCorps aircraft with @11thmeu, taxi on the flight deck of Wasp-class amphibious assault ship USS Boxer, June 22, 2026. The 11th MEU, is a persistent, combat credible force contributing to deterrence and crisis response in the U.S. 7th Fleet area of operations.
I Marine Expeditionary Force
@1stMEF
Jul 6
#Marines with 1st Recon Bn., @1st_Marine_Div conduct amphibious reconnaissance skills training, June 30, 2026. The training included open-water swimming, beach trafficability assessment, reporting, and night photography, enhancing their readiness for future operations.
I Marine Expeditionary Force reposted
U.S. Marines
@USMC
Jul 4
Happy 250th, America! Celebrating 250 years of independence and the enduring ideals of liberty, opportunity, and justice that shape our nation. Since our nation's founding, Marines have upheld these ideals around the world, serving with honor, courage, and commitment.
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I Marine Expeditionary Force
@1stMEF
Jul 3
#11thMEU Marines and Sailors conduct a CBRN sensitive site exploitation exercise aboard the USS Boxer, June 26, 2026. The 11th MEU, embarked aboard the Boxer ARG, is a persistent, combat credible force contributing to deterrence and crisis response in the U.S. 7th Fleet AO.
I Marine Expeditionary Force
@1stMEF
Jul 2
#Marines with 3rd LAR, @1STMARDIV, along with HMLA 169, @3rdmaw, and MARSOC conduct an in-aircraft, first person view unmanned aircraft system integration with an airborne UH-1Y Venom, June 16, 2026.
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I Marine Expeditionary Force
@1stMEF
Jul 1
#Marines with @3rdmaw sets up an L3Harris AN/PRC-160(V) radio This communication gear enabled the Marines to transmit vital weather conditions data from pacific islands in support of aerial refueling operations for exercise Slingshot.
I Marine Expeditionary Force
@1stMEF
Jun 30
#Marines with @1st_Marine_Div conduct a first‑person‑view unmanned aircraft system integration with a UH‑1Y Venom during in‑aircraft operations. The collaborative exercise allowed Marines to determine the feasibility of using FPV UAS from an aircraft.
I Marine Expeditionary Force
@1stMEF
Jun 29
#Marines with #1stANGLICO conduct the inaugural Iron Eagle Challenge. The 10-mile course featured a call for fire exercise, rifle range, and tactical combat casualty care simulations, testing the Marines’ tactical, technical, and physical proficiency.
I Marine Expeditionary Force
@1stMEF
Jun 25
#Marines with #11thMEU, and #Sailors conduct flight operations aboard USS Boxer. The 11th MEU, embarked aboard the Boxer Amphibious Ready Group, is a persistent, combat credible force contributing to deterrence and crisis response in the U.S. 7th Fleet area of operations.
I Marine Expeditionary Force
@1stMEF
Jun 24
#Marines with @imig_marines executes a road march. The road march was conducted to improve the Marines proficiency in convoy and sustainment operations to ensure readiness for future Marine Air-Ground Task Force deployments.