Secrets of the Civil War Drain the Oceans : Season 2 Episode 5
TV-PG (self-applied) National Geographic 47m int(0)
Aired: July 22nd, 2019 @ 9:00 PM EST on National Geographic
Throughout the American Civil War, technological advances fuelled an arms race on America’s seas and rivers. Science and graphics drain the oceans to reveal the ships that shaped America.