Out walking the dog about noon on a perfect cloudless day and looked up to admire the beautiful sky when I noticed a light way above where airliners had been passing by, there seemed to be a structure that went with the light then I saw the 2nd light and finally the third forming a classic triangle shaped craft (the lights were on the tips of the triangle). It may have been pyramid shaped and I was only seeing one side of it. I think so because of the way it came into view; it either phased in or rotated so I could see one complete side. It was almost white or translucent in appearance but I think I could make out the outline of it. I viewed it maybe for a minute or two but got distracted by some people passing by. I wanted them to confirm what I was seeing and looked away for a second. I couldn't relocate it again.