26 documentaries revealing some of the lesser-known events of wartime covert operations. Narrated by Charlton Heston.

This award-winning series explores lesser-known aspects of the 20th century's major conflicts, offering remarkable new insights into the hidden world of covert operations.

From the Great War to the Gulf War these are declassified insights into the covert world of military intelligence.

Narrated by Charlton Heston.