gates at kabul airport. basically i can provide you a little bit of a scene setter of what s been going on at kabul airport. the first thing is this threat. this has been there s been a perfect sicht threat since late last week. and it is specific to isis, that isis had interest, was planning to, was trying to attack kabul airport and specifically attack westerners, americans and potentially afghan civilians who were trying to get to the airport to get on these evacuation flights. you have seen over the last week these crowds outside many of these gates, and the concern was that among those crowds and evacuees that someone from an isis fighter could infiltrate those groups and potentially act as a suicide attacker, sicide bomber, or that they might be able to get a vehicle up close enough to the gate for a vehicle-born improve ied explosive device that could potentially kill people waiting at the gate. that has been one of the big concerns and big threats of the