To the untrained eye, it did not look like a particularly complicated mission. A large black quadcopter drone, more than two meters spanning the propeller tips, sat parked on the grass. Nestled between the legs of its landing gear was a red balloon filled with water. Not far away, on a concrete pad, a stack of wood pallets was ablaze, the flames whipping around in a heavy wind. A student at the University of Maryland (UMD) would fly the Alta X drone all of about 25 meters to the fire. There it would…
