Does one need to be a U.S. citizen to fly and visit foreign countries, such as Russia?

Question

Or can permanent residents fly to other countries for vacations, too?

Answer 1

You will need a passport from the country in which you hold citizenship.
If you hold permanent residence in the US, you better have your papers in proper order to return to the US.
Check with immigration to confirm that.

Answer 2

what the hell areyou talking about