1. Four important recent books on the satellite reconnaissance program have been published: Dwayne A. Day, John M. Logsdon, and Brian Latell, eds., Eye in the Sky: The Story of the Corona Spy Satellite (Washington, DC: Smithsonian Institution Press, 1998);
2. Robert A. McDonald, Corona Between the Sun and the Earth: The First NRO Reconnaissance Eye in Space (Bethesda, MD: ASPRS Publications, 1997);
3. Curtis Peebles, The Corona Project: America’s First Spy Satellites (Annapolis, MD: Naval Institute Press, 1997);
4. Jeffrey T. Richelson, America’s space sentinels: DSP satellites and national security (Lawrence: University of Kansas Press, 1999).
5. See also, William E. Burrows, Deep Black: Space Espionage and National Security (New York: Random House, 1987);