fell, they were going to be american citizens in kabul they needed to be evacuated. they were going to be third country nationals who were going to have to be evacuated. they were going to be afghans still in the fight who have supported the u.s. war effort over the last 20 years who are going to have to be evacuated, so this operation in a dangerous situation was going to have to happen at some point, and when you run an operation like that, when you are trying to position assets to go in and secure in airfield in a city that has been taken by opposing forces with the government that has collapsed, your contingency plan is going to hit head-on with reality, and they're going to be complexities and challenges and difficulties, and you work through them. you make adjustments and ultimately get an operation going that is moving out thousands, if not tens of thousands of people daily. that is what we have accomplished.