After its defeat in the Crimean War (1853-1856), t...  ...ld had ever seen. Andrei Alexandrovich Popov, the naval officer responsible for the design, wanted an iro...  ...n, wanted an ironclad monitor, which was a common naval design concept. But Popov built one had a circula...  ...1 propeller.(The cannons of t...

(Photo: NOAA)During World War II, the US converted...  ...the USS Wolverine (pictured above) were training vessels for pilots.I learned about these carriers through...