Exclusive interviews with North Vietnamese veterans, secret American operations in Laos and Cambodia, and the Navy’s classified program to counter heavy losses against Vietnamese pilots.

From Germany's Big Bertha in World War One to Iraq's top secret Project Babylon, they are the ultimate projection of force... secret cannons designed to strike their target from miles away, hand-held rifles that pack the power of the atom and super guns capable of launching satellites into space.

The Supreme Allied Commander of World War II relied on the covert arm of the CIA to an unprecedented scale during his presidency. From his education on clandestine warfare from Winston Churchill to CIA missions all over the world, Eisenhower unleashed his operatives like no other U.S. leader.

Examines the treatment of prisoners of war early in the 20th century. From capture to interrogation and internment, the fate of thousands of WWI prisoners was determined by their captors off the battlefield.

They were the top spymasters in the Third Reich... two rivals who were shrouded in mystery and sworn to secrecy. With thousands of agents at their command, they were entrusted with Germany’s most sensitive intelligence operations in World War Two. In the end, one man would kill for Hitler, the other would betray him...