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U.S. Marines with 3rd Battalion, 12th Marine Regiment, 3rd Marine Division, drive a M142 High Mobility Artillery Rocket System onto a U.S. Navy landing craft, utility assigned to San Antonio-class amphibious transport dock ship USS Green Bay (LPD 20) as part of a simulated amphibious raid, at Kin Blue, Okinawa, Japan, Aug. 14, 2019. This simulated amphibious raid marks the first time that HIMARS have been inserted by landing craft, utility, demonstrating the Marine Air-Ground Task Force’s ability to conduct combined-arms maneuver from amphibious shipping.