惊天工程US Navy's Super Submarine
Directed by Doug Camberis, Matthew Litchfield, Tim WilliamsTV-G
第2季 • 第 7 集 2016年4月27日 42分钟6.9
The Virginia Class is one of the most advanced nuclear powered, fast attack submarines ever produced for the US Navy. These technological titans are almost 400 feet long, and weigh a staggering 7,800 tons.
