About a week later his story changed. It seems that one night, about the fourth night in a row that UFO's had been reported near Mobile, this man and several of his assistants decided to try to see these famous UFO's; about 10:00P.M., the time that the UFO's were usually reported, they were gathered around the telephone in the man's office at Brookley AFB. Soon a report came in. The first question that the investigator who answered the phone asked was, "Can you still see it?" The answer was "Yes," so the officer took off to see the UFO. The same thing happened twice more, and two more officers left for different locations. The fourth time the phone rang the call was from the base radar station. They were picking up a UFO on radar, so the boss himself took off. He saw the UFO in air out over Mobile Bay and he saw the return of the UFO on the radarscope. The next morning he called me at ATIC and for over an hour he told me what had happened. Never have I talked to four more ardent flying saucer believers. We did quite a bit of work on the combination radar-visual sighting at Brookley. First of all, radar-visual sightings were the best type of UFO sightings we received. There are no explanations for how radar can pick up a UFO target that is being watched visually at the same time. Maybe I should have said there are no proven explanations on how this can happen, because, like everything else associated with the UFO, there was a theory. During the Washington National Sightings several people proposed the idea that the same temperature-inversion layer that was causing the radar beam to bend down and pick up a ground target was causing the target to appear to be in the air. They went on to say that we couldn't get a radar-visual sighting unless the ground target was a truck, car, house, or something else that was lighted and could be seen at a great distance. The second reason the Brookley AFB sighting was so interesting was that it knocked this theory cold. The radar at Brookley AFB was so located that part of the area that it scanned was over Mobile Bay. It was in this area that the UFO was detected. We thought of the theory that the same inversion layer that bent the radar beam also caused the target to appear to be in the air, and we began to do a little checking. There was a slight inversion but, according to our calculations, it wasn't enough to affect the radar. More important was the fact that in the area where the target appeared there were no targets to pick up--let alone lighted targets. We checked and rechecked and found that at the time of the sighting there were no ships, buoys, or anything else that would give a radar return in the area of Mobile Bay in which we were interested. Although this sighting wasn't as glamorous as some we had, it was highly significant because it was possible to show that the UFO couldn't have been a lighted surface target.