We're taking a look at seven of the most impressive spy gadgets from the Cold War era.

Launched in utter secrecy, Parcae’s orbital triads tracked Soviet warships in real-time, offering a vital edge at the height of the Cold War.

The existence of the IUSS was only made public in 1991 at the end of the Cold War, and the details of its ... satellite uplinks and other spy gear, giving the Navy a low-cost means to expand ...