Airman 1st Class Josh Suarez, 75th Security Forces Squadron, operates a Quad-legged Unmanned Ground Vehicle, also known as a robot dog, during a demonstration Aug. 24, 2021, at Hill Air Force Base, Utah. The purpose of the Q-UGV is to add enhance security to the base allowing defenders to patrol and monitor more critical areas. (U.S. Air Force photo by Cynthia Griggs)