>> i have several follow up questions. the president said it was 169 americans. you say americans are having no trouble getting through check points to the best of your knowledge. me qu my questions are this. first of all, what was the situation of these 169 americans that required u.s. troops to go outside the perimeter and get them. why these 169 americans? when did there happen? how long did the mission last? was it 169 americans all together? did you feel you had safe passage from taliban? tell us more about this. >> i don't have that level of detail. do you, general? >> u.s. troops went outside the wire at the airport to rescue 169 americans and that's what