Must possess a green card (be a resident alien) and usually there's a few more hoops to jump through after that. Then usually after serving 1 1/2 years active duty (IIRC), can become a U.S. Citizen.
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"NUKE-ular. It's pronounced NUKE-ular."- Homer Simpson
"You should never underestimate the predictability of stupidity."- Bullet Tooth Tony
I wish I had the alpha of a Hornet,
Living to fight slow while others scorn it.
When I can still pitch and roll,
that other guy's going out of control!
I wish I had the alpha of a Hornet.
-Dos Gringos