Peeking over the Iron Curtain

Visit this StoryMap to compare how the United States Geological Survey (USGS) mapped Washington D.C. in 1971 to how the Soviet military did it in 1975. One group might have paid a little more attention to naval and aviation locations...

Aerial reconnaissance was a staple of the Cold War. Follow the link above to see the subtle, but important, differences in the maps produced by the USGS and the Soviet military.