20th Century Spy in the Sky Satellites: Secrets of the National Reconnaissance Office (NRO) Volume 1 - Gambit Photoreconnaissance Satellite 1963-1984    by Progressive Management
Price: $9.99 USD. 119390 words. Published on October 3, 2011. .
Part of our comprehensive series on the National Reconnaissance Office (NRO) and its "spy satellite" network, this volume covers the Gambit photoreconnaissance satellite flown between 1963 and 1984. The previously classified documents in this collection, converted for accurate flowing-text e-book format reproduction, were released by the NRO in September 2011 as part of its 50th anniversary.

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.