Army researchers demonstrate 3-D printed drones

By David McNally, ARL Public Affairs ABERDEEN PROVING GROUND, Md. - Soldiers witnessed the innovation of Army researchers recently during flight testing of 3-D printed unmanned aircraft systems that were created on-demand for specific missions. The U.S. Army Training and Doctrine Command invited engineers from the Army Research Laboratory to Fort Benning, Georgia Dec. 1-3, ["]