The Marine Corps is fielding 3D printing systems across the fleet, while the Navy has been testing additive manufacturing (AM) capabilities aboard ships and submarines at sea. “So far, Marine Corps Systems Command has fielded eight expeditionary fabrication (XFAB) systems across the fleet with several more to be delivered over the next year,” said Lt. Cmdr. Javan Rasnake, spokesman for the assistant secretary of the Navy for research, development and acquisition. MARCORSYSCOM expects to field its tactical fabrication system --...