Where there should be a sky, we instead see a white box, another species of target acquisition device, which floats over broken, coherently choreographed planes of sky, all in black. Parts of Alamogordo and the desert beyond appear on these landscape fragments, which shuffle each other like insubstantial playing cards.     I realized that I didn't really understand my job. There were things I had to do, but I didn't really know what they were.