.S. Marine Cpl. Benjamin Smith, a machinist with Engineer Maintenance Company, 1st Maintenance Battalion, 1st Marine Logistics Group, files a piece of metal during exercise Steel Knight at Marine Corps Air Ground Combat Center Twentynine Palms Dec. 8, 2016. Steel Knight 2017 is a 1st Marine Division-led exercise that exposes Marines and Sailors to skill sets necessary to operate as a fully capable Marine air ground task force. Smith is from Milford,

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Keywords: archive, armed, defence, forces, military, reportage, servicemen, usa