A U.S. soldier with the NATO-led International Security Assistance Force (ISAF) chats with a driver during a search for the two missing U.S. Navy personnel at a joint check post with Afghan soldiers in Pul-e-alam, Logar province of Afghanistan on Sunday, July 25, 2010. The Taliban have offered to exchange the body of a U.S. Navy sailor they said was killed in an ambush two days ago in exchange for insurgent prisoners, an Afghan official said Sunday. (AP Photo)AP – The Taliban have offered to exchange the body of a U.S. Navy sailor they said was killed in an ambush two days ago in exchange for insurgent prisoners, an Afghan official said Sunday.