Declassified Corona spy satellite images showing Roman forts at three sites in the eastern Mediterranean: (a) Sura, a Roman fortress city nearby the Parthian territories (now in modern-day Iraq ...

Declassified photos taken by Cold War-era spy satellites have revealed hundreds of previously unknown Roman-era forts, in what is now Iraq and Syria, a new study found.

Before radar towers and satellite surveillance, America’s shores were watched over by massive coastal forts. Some were active for over a century, while others fizzled out before they ever fired ...