20th Century Spy in the Sky Satellites: Secrets of the National Reconnaissance Office (NRO) Volume 2 - Hexagon Photoreconnaissance Satellite 1971-1986 by Progressive Management
Price: $9.99 USD. 183880 words.
Published on October 17, 2011. .
Part of our comprehensive series on the National Reconnaissance Office (NRO) and its "spy satellite" network, this volume covers the Hexagon photoreconnaissance satellite flown between 1971 and 1986.