United States Soldier Pfc. Bowe R. Bergdahl Captured by the Taliban

(CNN) -- A United States soldier captured by the Taliban says in a video posted on the Internet he is "scared I won't be able to go home." The soldier was identified Sunday by the Pentagon as Pfc.

Bowe R. Bergdahl, 23, of Ketchum, Idaho. He was captured June 30 from Paktika province in southeastern Afghanistan.

The Taliban has threatened to kill Bergdahl if foreign troops continue targeting civilians in the name of search operations in Ghazni and Paktika province, Taliban commander Mulvi Sangeen said by telephone Friday after being contacted by CNN at an undisclosed location.

NATO-led forces in Afghanistan and the U.S. military have repeatedly denied targeting civilians.

In the 28-minute video, Bergdahl becomes emotional when he speaks of his family -- his parents, siblings, nieces and nephew -- and the girlfriend he hopes to marry.

"I have a very, very good family that I love back home in America, and I miss them every day that I'm gone," he says. "I miss them and I'm afraid I might never see them again and that I'll never be able to tell them I love them again. I'll never be able to hug them."

He adds that he is "scared. I'm scared I won't be able to go home. It is very unnerving to be a prisoner." However, he says his captors are treating him "like a guest."