>> Why does the US have so few of these ships? Were more just not produced? I didn’t see an answer in the article but it’s possible I missed it. Article menti

>> Why does the US have so few of these ships? Were more just not produced? I didn’t see an answer in the article but it’s possible I missed it. Article mentions that as the polar ice melts there is MORE activity up there which increases the need for these ships. And the US is about to have just one left, which for some reason in down for maintenance in... the winter?