E.g. - recovering film from spy satellites. Sometime around the time the shuttle went live, the military discovered CCD or similar cameras and encryption. The

E.g. - recovering film from spy satellites. Sometime around the time the shuttle went live, the military discovered CCD or similar cameras and encryption. The "Keyhole" satellites used to parachute down film canisters, which would be scooped up by a plane while descending on the chute - caught in-flight to avoid capture by other nations.