successfully pass through taliban perimeter into hkia gate? >> that is very specific question, i'll have to come back to you on the record, i exactly back to you. >> thank you. when did the last afghan civilian pass through the gate? >> same thing, hours before, i will come back with exact time. >> how many individuals successfully passed through the taliban perimeter in 72 hours preceding the departure of the final flight? >> probably in the low hundreds, i'll come back with exact number. >> thank you. i understand on august 19th ground commanders authorized use of helicopters to rescue 169 americans from the barron hotel after the initial plan to proceed on foot became too dangerous. what time were rotary wing aviation assets no longer operation at hkia? >> first of all, barron hotel is 200 meters off the hkia