My son and daughter-in-law both work for an education agency that in turn works for the military... so for the most part they are among American citizens the vast majority of the time.
They live off base... but shopping, going to movies, schools, getting gas, all done on the base. For the most part that is. And their closest friends....
who also work in the education field... aren't from the USA OR England... some from Italy, some from Germany, (other places as well), and although USA citizens most of them have never been to the USA. - JamesJM