I saw a flashing light like you would normally see on planes in the sky at night. so i figured it was just another plane, same as usual with dullas international airport only about an hour and a half from me. give or take depending on traffic. but i was surprised to the speed of this thing when i saw it fly down from above the tree's to hover about ten feet in front of me like it was checking me out. it was a deep dark grey. not quite black, around 10 feet around with flashing lights on the bottom and a dome on top. i was outside having me a cigar. we don't smoke inside. this thing hovered there for a good minute and a half, maybe longer before it rose up and slowly hovered over the house. the entire time still looking at me, i could tell because it did have some kind of little square on the dome that was always pointed at me. i was assuming it may have been a window, making the beings inside tiny. once it got on the other side of the house, it tore out of here so fast. i have never saw anything go so fast in my life. to go from just creeping along to that fast in a matter of seconds is unheard of in todays military forces. i wish i would have had a camera or my phone with me. sorry guys.