U.S. tests "robot dogs" to patrol southern border : vimarsan

Department of Homeland Security says the machines can help reduce the risk to workers in harsh environments.

Related Keywords

Boston , Massachusetts , United States , El Paso , Texas , Virginia , Israel , Israeli , , Us Department Of Homeland Security , Technology Directorate , Homeland Security , Ghost Robotics , Automated Ground Surveillance Vehicles , Google Owned Boston Dynamics , Big Dog ,