Ultimate Battleships Drain the Oceans : Season 1 Episode 9
TV-PG (self-applied) National Geographic 47m
Aired: July 23rd, 2018 @ 9:00 PM EST on National Geographic
The hidden secrets of WWI's powerful weapons are revealed by draining the North Sea.
TV-PG (self-applied) National Geographic 47m
Aired: July 23rd, 2018 @ 9:00 PM EST on National Geographic
The hidden secrets of WWI's powerful weapons are revealed by draining the North Sea.
