Hi,
just a quick comment for this thread, as I have talked to someone about work in central Europe yesterday, and they weren't aware (this is true!):
If you want to work in Germany, Austria or Switzerland, unless you get a job in an US Airbase, you actually do have to speak German fluently ! Same, of course, for the other countries, e.d. need to be fluent in Dutch for the Netherlands, fluent in Spanish in Spain, etc.
Cheers,
Fyzzio