Marines at Camp Pendleton, Calif. have successfully 3D-printed a reinforced concrete bridge. The feat, which took place in December, is the first time in the U.S. or the Western hemisphere that a bridge has been 3D-printed on site, as opposed to in a factory, according to the Marine Corps. Marines were trained to use the Automated Construction of Expeditionary Structures 3D-printer. “One of our goals was for Marines to learn to operate the equipment on their own, which they did and it was great,” said Capt. Matthew Friedell, AMOC project officer, in a statement. MARINE CORPS BUILDS NEW AMPHIBIOUS COMBAT VEHICLE FOR ‘DEEP STRIKE’ ATTACKS. The bridge is just the latest example of 3D-printing innovation by the Marine Corps. Last year, for example, Marines used a specialized 3D concrete printer to print a 500-square-foot barracks room in just 40 hours. Fox News has reached out to the Marines to see how long it took to print the bridge.
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