By U.S. Army DEVCOM Army Research Laboratory Public Affairs. December 16, 2020 ABERDEEN PROVING GROUND, Md. — Researchers believe a new hinge is the key to get load-bearing, large, Army quadrotors to climb a few dozen feet in seconds. Dr. Jean-Paul Reddinger, a research aerospace engineer with the U.S. Army Combat Capabilities Development Command, now known as DEVCOM, Army Research Laboratory, is…