It may come as a surprise to some, but you don't have to be a citizen to enlist in the U.S. military. Over the last decade, tens of thousands of non-citizens have volunteered to fight for their adopted country.

Many see service as a fast track to naturalization, but it doesn't always work out that way.

A new article in the current issue of Playboy magazine sheds light on the thousands of veterans who have been deported after serving in the US military. Reporter Erin Siegal McIntyre joins the show with more.