base is a failure somewhere. a failure you about taliban with varying degrees of confidence. i don't know the answer to that question. you can be assured we're going to continue to take a look at it and mach our practitions better as we go forward. >> general, sir, we're going to let the general close out. >> john, thanks. i would just like to say, today is a hard day. i -- the thing i come back to is remarkable professionalism that the force on the ground is showing. as i noted before, ultimately the screening points in particular you got to get very up close and personal to the people that you're bringing out. there is no way to do that saufly from a distance. we bear in mind that we've been doing it for well over a week. we brought 104,000 people out. that is a tremendous number of contacts that every individual marine, soldier or sailor has had to have as we bring people aboard the aur field.