How long can you stay at a base in the air force?

I was thinking about joining the air force and was wondering how long can you stay over seas at one base like if I got my first choice Germany how long would I be able to stay there? Would I be able to stay the whole 20 years of service if I so chose and if not how soon could I come back to Germany? Would I only... show more I was thinking about joining the air force and was wondering how long can you stay over seas at one base like if I got my first choice Germany how long would I be able to stay there? Would I be able to stay the whole 20 years of service if I so chose and if not how soon could I come back to Germany? Would I only have to do a 1 year tour some where els before I can return?
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