US Military soldiers test out “Big Dog” demonstrator that was designed to carry soldiers equipment on the battlefield of tomorrow. Big Dog is a dynamically stable quadruped robot created in 2005 by Boston Dynamics with Foster-Miller, the NASA Jet Propulsion Laboratory, and the Harvard University Concord Field Station. It is capable of traversing difficult terrain, running at 4 miles per hour, carrying 150 kg, and climbing a 35 degree incline. Locomotion is controlled by an on board computer that receives input from the robot’s various sensors. Navigation and balance are also managed by the control system.