8 strange triangle shaped craft with blinking lightsA good friend and myself saw several triangular-type craft. They were orange-red or bluish-white and they would blink but randomly. six of them traveled in pairs. Two sets were side by side and one pair hovered over Holston mountain, one above the other and kind of swayed side to side. Another craft flew overhead and made a faint jet-like noise. It had a lot of lights, but no visible structure, just the lights. Made no sense. A white helicopter with its searchlight on was chasing the craft. Lastly another craft flew by with two white triangles on each side and a red box in the center. We were driving but pulled over to watch. Event lasted about 20 minutes.