After they graduate from basic training, these soldiers can become naturalized U.S. citizens but they have to serve at least five years in the military.
And then, finally, if that wasn't enough which it should've been This is Madame Curie killing herself by discovering Radium, who, although she was a naturalized French citizen, was Polish by birth!
The Court ruled the first clause of the 14th Amendment of the Constitution, which states all persons born or naturalized in the United States and subject to the jurisdiction thereof are citizens of the United States.