this is an operation that requires a great deal of coordination. it's an operation that requires a great deal of kchoreograpy. if you've been there, it's not chicago o'hare. it's the size of an airport of fairly small town. the orchestration and coordination that's required to have u.s. military charter other aircraft be able to take off every 45, every half hour, that is indeed a pretty sophisticated bit of business. i'd need to refer you to dod. >> the other part of some of these report s the united states is telling other countries to not accept plane ps of afghans