Download or read book History of satellite reconnaissance written by Robert L. Perry and published by Government Printing Office. This book was released on 2012 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: The United States developed the Gambit and Hexagon imagery satellite systems in the 1960's to improve the nation's means for peering over the iron curtain that separated western democracies from East European and Asian communist countries. The programs were declassified in September of 2011, after which redacted documents and histories were released to the public, including the two contained in this volume. --Summarized from Preface.