americans, and we are working hard to make arrangements, make plans with each of those people and each of their families to get them safely to the airport and get them out. we're communicating with them by email, by telephone, by text message. they've been very responsive and, as i said before, this is an operational and logistical challenge and a risky and dynamic environment. but we are executing a plan to get those american citizens out of the country. >> now the question is, how do you do it? and the pentagon yesterday hint ed as much at this, that this could be going on or may be going on. are there special operations happening right now? are there extractions happening outside of the airport within kabul to get american scitizens to safety? >> i am not going to speak to the operational parameters of what is happening at the air field right now. what i will tell you, brianna, and this is very important, is that for the american citizens