I have only infrequently shared this experience. It happened some time ago, back in the winter of 1981 right here in metropolitan LA.
I was walking to my car after an appointment, just crossing this typical asphalt parking lot. I noticed that I was suddenly in a quite dark shadow. I kept walking though, my focus being on the shadow at my feet. After 20 or so feet I looked up, and directly above me, no more than 10 feet, was a circular object of about a 50 ft. radius. What was even more startling was that it was soundlessly descending and some sort of dim portal slowly overtook me to about my waist.
The object slowly circled me at waist level and as it rotated I could see a metal platform in the dim light. On the platform was an individual encased in a metalic suit from shoulders to feet. I particularly focused on the suit at first, it seemed so archaic, like a suit of armour from the middle ages. It had what appeared to be rivets at the joints and be composed of perhaps bronze. The object continued to rotate slowly and soundlessly and the next time the platform came into my field of vision I examined the entity encased in this suit.
It was a biped, approximately 4 ft. tall, with two arms and proportionately similar to humans. But there the similarity ended. It's head wasn't encased in any protective covering and it was clearly not human. I remember it distinctly. Instead of skin, the head was covered with small fish like scales of greenish hue. The eyes were large and round and the lipless mouth revealed a set of teeth which were evenly spaced and identical, each tooth came to a distinct point. But the most curious aspect of this entity were what I would assume we would call ears. They were located on each side of the head and appeared to be large external tympanic membranes surronded by tendrils that extended outward, a visual analogy to them might be a sunflower like form.
The craft lifted up again and moved to an unoccupied part of the parking lot and stopped rotating. Then there were successive sounds of several seconds interval. The sounds were like some large electric switch being thrown. At each interval a set of lights appeared about the object's circumference. First blue around the base, then red about the central circumference, finally white at the top. I was reminded of aircraft lights by their color scheme.
Next the craft silently levitated to about 100 ft., slowly tipped on an axis to the North-East and accelerated with such swiftness as to amost be said tio disappear.
The entire incident took approximately 3-5 minutes and there were other aspects to it that in the interests of brevity I won't mention now.
It's amazing to me how indelibly and clearly this incident is enscribed on my memory, yet since 1981 this is perhaps the third time I've ever discussed it. And the first time I've ever communicated about it in print. I'm priviliged in a real way to have self-experienced proof of a so widely doubted phenomena