Titanium is a strong and non-corrosive metal, making it seem ideal for submarines, but the US doesn't use it due to its cost ...

(U.S. Navy) The Deep Dive was to begin early (0800 hours) the morning of Jan. 23, ... Walsh was rowed out to Trieste in the Lewis’ whaleboat and Piccard in a rubber boat from the Wandank.

A U-Boat Class II submarine (this one depicted, UB-35, was the same class as UB-29) prowls the open seas. Science History Images / Alamy Stock Photo You get an idea before you even walk in his ...