Secrets of War is a documentary television series about military history and the secrets of war of the 20th century. It is edited as 65 episodes. The series premiered on the History Channel in July 1998 where it prevailed in the 8 o'clock Sunday evening slot for over two years. The series was co-created by Supervising Producers John Corry and Chip Proser. Alan Beattie and Chris Chesser served as Executive Producers. Original musical score composed and conducted by Ramón Balcázar.

Narrated by Charlton Heston, the series details facts and information derived from rare archival footage, formerly classified documents and messages, coupled with interviews with experts, authors and eyewitnesses from all over the world.