Sitting otside same location every nite.Clear,dark starlit sky.Looking up as always,neighbor saw it first.Exclaimed and said look!We all looked in the same direction.It was diamond to rectangular in shape.Semi-transparent.You could see stars through it.About the size of 3 football fields.I just appeared in the east.As though out of (nowhere).It floated across the sky very liesurely.Over us it then released smaller orbs.About a 6-10?They for lack of a better word (danced) around this thing.These seemed to follow the larger one to the n>w> davis monthan?We believed scrambled aircraft that followed this thing until they lost track or site of it.It was all quite amazing.I cannot imagine what the air force planes thought.I called luke air force base and made a complete rport the following morning.We make a fire and sit out on most clear nites.My neighbors have agreed to testify.