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The course instructed Marines on analyzing system capabilities and designing drone configurations for various operational scenarios. The UAS are designed for both remote piloting and autonomous flight, enhancing the Marines' ability to adapt to evolving battlefield requirements. Samarin is a native of California. (U.S. Marine Corps photo by Lance Cpl. Justin Cledera) - U.S. Marine Corps Cpl. Greg Samarin, a radio operator with Expeditionary Operations Training Group, III Marine Expeditionary Force, flies a drone equipped with an M67 training grenade during an Unmanned Aircraft Systems course demonstration at Camp Hansen, Okinawa, Japan, Nov. 6, 2025.

The joint training demonstrated 3rd LCT's ability to conduct equipment recovery operations utilizing the capabilities of the U.S. Army's MSV(L) in a littoral environment. (U.S. Marine Corps photo by Sgt. Malia Sparks) - U.S. Marines with 3rd Littoral Combat Team, 3rd Marine Littoral Regiment, 3rd Marine Division, and U.S. soldiers with 7th Transportation Brigade (Expeditionary), offload a Navy/Marine Expeditionary Ship Interdiction System from a Maneuver Support Vessel (Light) (MSV(L)) on Marine Corps Base Hawaii, Sept. 17, 2025.

U.S. Marines with the III Marine Expeditionary Force clean their weapons outside the combat operations center in Combat Town, Camp Hansen, Okinawa Japan, Sept. 13, 2025, during the Command Post Exercise portion of Resolute Dragon 25. Resolute Dragon 25 is an annual bilateral exercise across Japan, including the southwest islands, that strengthens the command, control and multidomain maneuver capabilities of III MEF and the Japan Ground Self-Defense Force’s Western Army personnel, alongside representatives across the U.S. and Japanese Joint Force, with a focus on controlling and defending key maritime terrain. (U.S. Marine Corps photo by Gunnery Sgt. Daniel Wetzel) - U.S. Marines with the III Marine Expeditionary Force clean their weapons outside the combat operations center in Combat Town, Camp Hansen, Okinawa Japan, Sept. 13, 2025, during the Command Post Exercise portion of Resolute Dragon 25. Resolute Dragon 25 is an annual bilateral exercise across Japan, including the southwest islands, that strengthens the command, control and multidomain maneuver capabilities of III MEF and the Japan Ground Self-Defense Force’s Western Army personnel, alongside representatives across the U.S. and Japanese Joint Force, with a focus on controlling and defending key maritime terrain. (U.S. Marine Corps photo by Gunnery Sgt. Daniel Wetzel)

KMEP is conducted regularly between the ROK and U.S. Marine Corps to increase their combined capabilities through realistic training geared towards deterrence and maintaining peace in the Indo-Pacific. Patris is a native of Oklahoma. (U.S. Marine Corps photo by Cpl. Kanoa Thomas) - U.S. Marine Corps Gunnery Sgt. Anthony Patris, an infantry infantry unit leader with Golf Company, 2nd Battalion, 23rd Marines, forward deployed with 4th Marine Regiment, 3d Marine Division as part of the Unit Deployment Program, collects expended brass with a Republic of Korea Marine with 1st Marine Division, ROK Marine Corps, during the Korean Marine Exercise Program 25.2 in Pohang, South Korea, July 29, 2025.

The Marines conducted the training utilizing buoys to detect underwater acoustics for ships and submarines in order to increase U.S. naval forces capabilities to detect and deter in the undersea domain. The 31st MEU is operating aboard ships of the USS America Amphibious Ready Group in the 7th Fleet area of operations, the U.S. Navy’s largest forward-deployed numbered fleet, and routinely interacts and operates with allies and partners in preserving a free and open Indo-Pacific region. Workman is a native of Indiana. (U.S. Marine Corps photo by Cpl. Alora Finigan) - U.S. Marine Corps Sgt. Mason Workman, an aerial observer with Marine Medium Tiltrotor Squadron (VMM) 265 (Rein.), 31st Marine Expeditionary Unit, sets parameters for the directional command activated sonobuoy system buoy during anti-submarine warfare training, in the Philippine Sea, Aug. 8, 2025.

The training demonstrates 3d Battalion, 12th Marine Regiment’s ability to rapidly deploy long-range fire throughout the Indo-Pacific. The Marines are with 3d Battalion, 12th Marine Regiment, 3d Marine Division. (U.S. Marine Corps photo by Lance Cpl. Rodney Frye) - U.S. Marines execute M142 High Mobility Artillery Rocket System dry-fire missions during a training exercise at Combined Arms Training Center Camp Fuji, Japan, June 8, 2025.

On 18 June 2025, 3d Radio Battalion bid fair winds and following seas to Lieutenant Colonel Gary A. Keefer, and welcomed Lieutenant Colonel Sean F. X. Barrett to the family. Lieutenant Colonel Keefer was the Battalion Commander of 3d Radio Battalion for three years and will be retiring after this post. Lieutenant Colonel Barrett is taking command of 3d Radio Battalion after serving consecutive assignments at I Marine Expeditionary Force G-2. - On 18 June 2025, 3d Radio Battalion bid fair winds and following seas to Lieutenant Colonel Gary A. Keefer, and welcomed Lieutenant Colonel Sean F. X. Barrett to the family. Lieutenant Colonel Keefer was the Battalion Commander of 3d Radio Battalion for three years and will be retiring after this post. Lieutenant Colonel Barrett is taking command of 3d Radio Battalion after serving consecutive assignments at I Marine Expeditionary Force G-2.

Pearce and Garcia-Park received challenge coins for their efforts during training with III MEF. The Guardians provided subject-matter expertise directly supporting III MEF training. (U.S. Marine Corps photo by Lance Cpl. Alexander Canal) - U.S. Space Force Maj. Ben Pearce, left, and Capt. Hannah Garcia-Park, right, with Space Training and Readiness Command, Mission Delta-11, pose for a photo with U.S. Marine Corps Lt. Gen Roger B. Turner, left-center, commanding general, III Marine Expeditionary Force, and Sgt Maj. Christopher J. Adams, right-center, sergeant major of III MEF, on Camp Courtney, Okinawa, Japan, June 10, 2025.

Schwartz was awarded the United States Marine Corps Sergeant Harry D. Myers Award for his significant contribution to the combat readiness of 3d MLR. The Sergeant Harry D. Myers Award recognizes the very best in Marine Corps leadership. (U.S. Marine Corps photo by Sgt. Jonathan Beauchamp) - U.S. Marine Corps Gunnery Sgt. Ryan M. Schwartz, the company gunnery sergeant of Communications Company, 3d Marine Littoral Regiment, 3d Marine Division, poses for a photo on Marine Corps Base Hawaii, June 6, 2025.