FAA-approved labs test UAVs for use in US skies

From FoxNews.com
At Texas A&M University in Corpus Christi, a helicopter drone hovers menacingly over a robot vehicle. The vehicle tries to evade the drone, turning right and left – surging forward and backward. Like an angry wasp, the drone swoops back and forth, staying directly in front of the robot – exactly one meter away, one meter off the ground.