Me and My Wife was travling from Augusta, Georgia to Aiken Via I-20.I noticed above the Interstate was a moving Object in a North-North West direction, at the time we were at the first exit (Exit 1) on I-20. We were able to watch this object for approx 15 min while in route to where we were going. I was able to see a dark outline of this object, it was very well over I-20 and very long with front and back side stuck well over I-20 sides and at what I think distance wise was very long craft.I think if you held a cigar at your front window in your car was about the size of the craft, but it was 12 - 15 miles away, so you get the Idea how big this was.Finally Arriving at exit 19 on I-20, I turned South. By this time the object had moved North of that location. (We were headed to an Auction House that we normally visit weekly.)The shape of object seemed very long due and had a very Blood Red pulsing light along the bottom center of the craft. It hard to say the size and lenght of this object due to at first sight we were about 15 miles approx from where it seemed to cross I-20.After arriving and turning onto exit 19 on I-20, We turned off on I-20, I drove south and drove to the auction house, My Wife went in and I was able observed this object for around 30 minutes more as it hovered due North of my location. After approx. 30 min's the object moved toward the north very slowly. During the early part before I turned Off at exit 19, I was able to observing other small aircraft or may even have been smaller UFO trailing this Obiject. I did report this at the Time on the NRC Site but not quiet the detail I put here.