Home DHS S&T NUSTL Lab Celebrates 70+ Years of Service (Learn More, Video) A rotary quadcopter s-UAS conducting low altitude flights through an “Urban Canyon” during TACTIC (Courtesy of DHS S&T)

A rotary quadcopter s-UAS conducting low altitude flights through an “Urban Canyon” during TACTIC (Courtesy of DHS S&T)

A rotary quadcopter s-UAS conducting low altitude flights through an “Urban Canyon” during TACTIC (Courtesy of DHS S&T)