Marine Corps Sgt. Maj. William T. Sowers, the sergeant major of 1st Marine Division (MARDIV), gives a speech to Marines with 1st Combat Engineer Battalion after a simulated amphibious breach in support of exercise Steel Knight 2018 at San Clemente Island, Calif., Dec. 9, 2017. Steel Knight is a 1st MARDIV led exercise enabling Marines and Sailors to operate in a realistic environment developing necessary skill sets to maintain a fully capable Marine Air Ground Task Force. ( Marine Corps

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