was a bright yellow light growing and dissapearing.

I Was driving from Vegas to Phoenix, in the US93 when me and my wife spotted 2 lights at the sky in the left of the road, and they was like sharing the light, couse some time one was more light than the other, the we spot a 3rd one in the right of the road, communicating with the other 2, the they just disappeared, like 5 minutes later, we spot the light again, but the 4 together, then they just disappeared again, later it was like 1 hour without seeing the lights when finally they appeared at the same time, one at the left of the road, one at the right of the road, landing in the top of a mountaing (and the light stayed in there like for 10 minutes, and 2 more crossing the small town of bahgdad,arizona, I have taped 3 of the lights.I called 911 to let them now about that.