Marine Corps Lt. Gen. Joseph Osterman, commanding general, I Marine Expeditionary Force, observes the 3D concrete Printer during 7th Engineer Support Battalion’s 3D Concrete Printing exercise at Camp Pendleton, Calif., Dec. 10, 2018. 7th ESB’s mission was to utilize the Automated Construction of Expeditionary Structures (ACES) Printer to conduct 3D concrete printing and evaluate emerging technology for future application in Marine Corps engineering operations.

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Keywords: air, america, archive, armed, army, defence, force, forces, military, navy, reportage, service, serviceman, servicemen, soldier, states, united, usa