Season 1, Episode 3
The story of the first long-range rocket, the V-2, including how it laid the foundation for the space race.
Examining the concrete submarine pens built by the Nazis to protect their U-boats from Allied bombs.
The series about the military hardware and technology created by Nazi Germany opens with a look at the Atlantic Wall, which was a series of coastal fortifications built along the Western European coast in order to protect against an Allied invasion. Included: the huge numbers of men and raw materials needed for its construction; how it fared on D-Day.