Puzzle Pictures
Published on November 19, 2016 By Thomas Van Hare The challenges of aerial photo interpretation are extraordinary. A dark smudge at the base of a hill may be the concealed
HistoricWings.com :: A Magazine for Aviators, Pilots and Adventurers
A Magazine for Aviators, Adventurers and Pilots
Published on November 19, 2016 By Thomas Van Hare The challenges of aerial photo interpretation are extraordinary. A dark smudge at the base of a hill may be the concealed