A recently released video provides some insight into one of the most alluring but little-known drones potentially designated as RQ-180.The US Air Force’s RQ-180 ‘White Bat’ is thought to be its newest spy drone in the category of high-altitude, long-endurance drones (HALE).Till now only a few photos of this drone have surfaced so far.As few as three sightings of the drone have been noted — one over the Philippines and two over America’s leading flight test locations in California and Nevada.