“The third part of the Eye/Machine cycle structures the material around the concept of the operational image. These are images which do not portray a process, but are themselves part of a process. As early as the Eighties, cruise missiles used a stored image of a real landscape, then took an actual image during flight; the software compared the two images, resulting in a comparison between idea and reality, a confrontation between pure war and the impurity of the actual. This confrontation is also a montage, and montage is always about similarity and difference.
