occur? is that midnight going into the 31st or is it midnight from the 31st into the 1st? what is clear right now, nicolle, we are in the final hours of the u.s. military presence after two decades of having a military at war. and the last several days have been very -- have had serious military concerns operating out of that airport. the reason there isn't a whole lot of information about these last couple of days and the final military presence there is because of that security concern. there's a real worry about the last troops who are there operating at the airport getting ready to leave. there's a threat from isis-k, a continuing and persistent threat according to defense officials, of suicide vests, vehicle-born explosive devices, somebody detonating a vehicle, and still a very real concern about rockets and particularly these modified rpgs that they're