"They're probably not going to collapse, but neither is the Taliban," Mr. Biddle said. "The [security forces] can probably hold more or less what they now have as long as somebody keeps paying the bills. Then the question becomes how long can the bills keep getting paid."
"Can the regular Afghan National Army hold what they now have, and if they suffer some major reverse, or continue taking causalities on the scale that they've been taking them for the last two years, is there any risk that the organization will someday collapse?" said Stephen Biddle, a senior defense analyst for the Council on Foreign Relations.