via Fox News...

KABUL — Insurgents have captured an American soldier in eastern Afghanistan, the U.S. military said Thursday. Spokeswoman Capt. Elizabeth Mathias said the soldier went missing Tuesday.
"We are using all of our resources to find him and provide for his safe return," Mathias said.

More info at the link...

Is this a first? And what are the prospects of this ending better than similar situations in Iraq?