Latest Military Technology: The US Navy is now 3D Printing Submarines September 26, 2017 Unipro2013main US Navy </p> <h2>3D Printed Submarines</h2> <p> The US Navy has 3D printed a prototype submersible hull at the Oak Ridge National Lab in Tennessee. It could be in service by 2019. The departments of Defense and Energy collaborated on the project.</p> <p> Please support our Sponsors -
