As part of his duties with the Air Force Office of Special Investigations, Richard Doty reviewed reports and documentation concerning off-world technology. Most of which was recovered from UFO-crash sites like Roswell and Kingman. He describes some of the challenges faced with reverse engineering E.T. tech ranging from unknown substances to mysterious energy sources. Things got complicated as scientists had to sort out technology from different civilizations. The result of some of this research is in the public sector today.