And Keyhole was named after the original US spy satellites, the KH series†, dating from 1959. High-res imagery download was via parachute-net. †http://fly.hist

And Keyhole was named after the original US spy satellites, the KH series†, dating from 1959. High-res imagery download was via parachute-net. †http://fly.historicwings.com/2013/02/kh-1-the-first-spy-satellite/ http://fly.historicwings.com/2013/02/kh-1-the-first-spy-sate...