Big, Bigger, Biggest - Season 2 Episode 2 Submarine
At 171 m long, the USS Pennsylvania is the biggest submarine in the US Navy. It can dive deeper than a thousand feet, sail for 20 years without refuelling, and remain submerged for up to six months. The vessel carries a crew of 155 men and a deadly nuclear arsenal. Uncover the innovations in six landmark submarines, including the tiny Turtle and colossal German U-boats, that made it possible for engineers to incorporate underwater breathing, torpedos, missile launch systems and stealth technology into ever bigger submarines.
First Air Date: Apr 01, 2008
Last Air date: Aug 09, 2011
Season: 3 Season
Episode: 20 Episode
Runtime: 50 minutes
IMDb: 6.80/10 by 6.00 users
Popularity: 3.146
Language: English
Keyword :
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