The German language is a very hard language to learn i might say - perhaps as difficult as Spanish (i didn´t tried to learn it, but i heard by some friends).
Many people say (well it was like that when i was in school), that if you learn Latin, you can understand many other languages, but i don´t think so.
E.g. you can understand many french words, when you can speak english - or - you can understand many Norsk or Swedish words, if you can speak German. And Latin? Of what i have heard by friends, who had to take this language it doesn´t serve as what it is told to be
I have heard, that the American Army has language courses for many different languages - here, we have only some few - the most common like french e.g.