AdvertisementReport From The Drone Convention: Unmanned Vehicles Find New UsesAugust 09, 2012Larry AbramsonfacebookEmailBrian Bills, a flight operations analyst for Lockheed Martin, demonstrates the Procerus VTOL (vertical takeoff and landing) Flight System — a surveillance drone for commercial, civil and military customers — at the Association of Unmanned Vehicle Systems International conference in Las Vegas. (Watch a demo video.)