“Since the dawn of conflict between men, military commanders have always wanted to be able to ‘see over the next hill’…. In time, two inventions would offer them this capability – the air vehicle, starting with the balloon, and the camera. Then, as battlefields expanded, the invention of the airplane would further extend the military commander so that he could observe activities on continents. Finally, inn 1957 man would conquer space and the combination of spacecraft and photography would allow him to observe the entire globe and beyond.”