If those screenshots are ingame then the only thing I can say is... WOW!
They're from a pre-alpha build for the game. One fellow working for the game's marketing has said that, with World of Tanks being proof of this being the case with Wargaming.net in the past, what you see in the screenshots is "99.999% the way it will be." (http://www.tentonhammer.com/world-of-battleships/interview/frazer-nash)
I for one am looking forward to grinding my way up to a Yamato

Bismarck and Montana will be in, too, according to another interview with someone working on the game.