I myself lean towards belief but very guardedly, one experience i know of personally was when a aircontroller called out aircraft and told us a jet or something was moving very fast from our rear, they were on the same altitude as us and the same flight path, we turned around and didn't see anything, yet the ground controllers were still telling us it was headed in, skies were clear absolutely nothing in sight, yet ground control was getting radar on it and us, a few seconds later they called us to ask what it was as it just passed over us, well we say nothing, and I mean nothing, yet ground control for two-three more minutes continued to send us info on the unidentified craft that they had on radar. so to say nothing else somewhat spooky, we wondered if something was really there or was it just shadow blips or WTF?
Several years later talked to two individual were talking about their visit to Hawaii, both didn't know each other, there were just several of us sitting around shooting the bull. One brought up the fact that he had a UFO incident or that was what he thought it was while out on the beach late one evening. said a craft of some sort showing two bright lights was just off the beach approx 100 yrds or so, no noise, and the beach wasnt quiet it moved up and down the beach for several miles always staying just out at approx 100 yds. he mentioned this and said he hadn't told anyone about it but it was something he had always wondered about. Another individual at the table said when did this happen they talked about the date of the even and then the other person mentioned that they were on the same beach about 1/4 mile from the other group and all of them had seen it too. They had later called into authorities and were told to go home they were probably drunk. this was the funny part both individuals were non drinkes and never had been, one a mormon, the other just never drank, didn't like it so didn't do it. Now when they talked about this it definitely made me think as both were very reliable people in very responsible jobs and up until that time hadn't even known each other. So???????????