I'm not really sure what I just saw, but there was just a large craft hovering above the parking lot in my apartment complex that looked a bit like a police helicopter with no visible rotors. It was about the size of a minivan, black and white coloration, a couple of lights on it, and it emitted a sound like a small lawnmower. At first, I thought it was a helicopter until I realized that I couldn't hear the rotors through my car windows. It flew behind a building and out of sight before I cou...