Every day for decades, engineer Phil Pressel would come home from work and be unable to tell his wife what he'd been doing all day. Now, Pressel is free to speak about his life's work: designing ...

Foreword -- Preface -- Introduction -- Section 1: History By Gerald Haines, PH D: -- Gambit -- Hexagon -- Conclusion -- Endnotes -- Section 2: Systems Requirements ...

Researchers in Spain looking to develop a fresh approach to finding long-lost aqueducts have turned to U.S. Cold War-era satellite imagery. By mining the black-and-white images from the HEXAGON ...

KH-9 spacecraft as seen from its aft end upon entering the exhibit tent. The Satellite Support Bus with the small rocket motor is at the aft end. KH-9 spacecraft as seen from its aft end upon entering ...

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A new study analyzing declassified Cold War satellite imagery reveals 396 previously undocumented Roman forts and reports that these forts were constructed from east to west, spanning from what is now ...