order to do the drawdown from afghanistan in a safe and orderly way, it needed three to four months. that's why we pushed to move beyond may 1st and get to the end of august, early september. second, to your point, an important and good one, our expectation was that beyond august 31st, beyond the military drawdown, the government, the security forces were going to remain in control of kabul, of the major cities, our embassy was fully planned to remain up and running. we were leaving about 600 military behind to make sure that we could secure the embassy. so that it would continue to operate. we had a robust plan to include bringing out anyone who wished to leave, notably sivs. that was very much the plan and the expectation. what was not -- what we did not anticipate was that 11-day collapse of the security