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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.