I MEF provides the Marine Corps a globally responsive, expeditionary, and fully scalable Marine Air-Ground Task Force (MAGTF), capable of generating, deploying, and employing ready forces and formations for crisis response, forward presence, major combat operations, and campaigns.
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U.S. Marines and Sailors with the Marine Rotational Force – Darwin (MRF-D) 25.3 Marine Air-Ground Task Force (MAGTF) and the Australian Defence Force (ADF) set a historic precedent this year for the program and the region. Over the course of a yearlong campaign, the MAGTF that never sleeps, led by “The Old Breed” of 1st Marine Regiment, 1st Marine Division, transformed MRF-D from a rotational presence in northern Australia into a regionally postured, combat-credible force with reach from the Timor Sea to the Luzon Strait and a level of interchangeability with the ADF and multinational allies and partners that are second to none.
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As the clamor of power washers, hammers and power drills filled the air, Operation Clean Sweep III was well underway at the 24 Area Bachelor Enlisted Quarters on Marine Corps Base Camp Pendleton. At the center of the bustle was U.S. Marine Corps Cpl. Hayden Lester, a helicopter mechanic with Marine Aircraft Group 39, 3rd Marine Aircraft Wing, and the noncommissioned officer in charge of the 24 Area BEQ.
I Marine Expeditionary Force and Marine Corps Installations West–Marine Corps Base Camp Pendleton concluded Operation Clean Sweep III on Sept. 26, 2025, after a two-week maintenance stand-down launched Sept. 15 to improve unaccompanied housing and operational readiness through self-help projects and facility refreshes.
For Marines who are familiar with Sgt. Kaleb G. Butts, it is no surprise he was named the 2025 Marine Corps Engineer Association Combat Engineer Noncommissioned Officer of the Year. Butts exemplifies the qualities every Marine Corps NCO should embody: dependability, dedication, and expertise in his craft as a combat engineer.
U.S. Marines and Sailors are preparing to demonstrate the full power of the Marine Air-Ground Task
For 250 years, U.S. Marines have been the nation’s expeditionary force in readiness. Now, in 2025, I Marine Expeditionary Force carries on that...
U.S. Marines Corps 1st Lt. Alexa Emano, an assistant Logistics Officer with Marine Rotational Force – Darwin 25.3, Cpl. Connor M. Beard an airframes...
U.S. Marines with 1st Air Naval Gunfire Liaison Company, I Marine Expeditionary Force Information Group, coordinates close air support with Marine...
U.S. Marines assigned to the 15th Marine Expeditionary Unit, I Marine Expeditionary Force, establish a rapid response communications node during a...
U.S. Marines with Marine Aircraft Group 13, 3rd Marine Aircraft Wing, participate in the change of command ceremony for Col. Roy J. Nicka, the...
U.S. Marines with Marine Rotational Force – Darwin 25.3 and multinational forces conclude Talisman Sabre 25 at Northern Territory, Australia, from...
U.S. Marine Corps Cpl. Simon Lopez, an aviation ordnance systems technician with Marine Aviation Logistics Squadron 11, Marine Aircraft Group 11, 3rd...
Retired U.S. Marine Corps Chief Warrant Officer 4 Anthony L. Viggiani discusses the importance of discipline and standards in a combat environment on...
U.S. Marines with Marine Rotational Force – Darwin 25.3 give a message for the mid-point of their deployment, July 7, 2025. MRF-D is an annual...
U.S. Marines and sailors with Headquarters Company, Marine Rotational Force – Darwin 25.3, participate in an unknown-distance combat marksmanship...
U.S. Marines with Marine Rotational Force – Darwin 25.3, I Marine Expeditionary Force Forward, Philippine Marines with 3rd Brigade, Soldiers with the...