that perimeter, this threat of an isis-k attack on the kabul airport, we have the crowds, we have the chaotic street scenes. how vulnerable do you think the airport is at this point? without going too deeply into it, stationary targets are easy to hit. during the time i spent in combat over three years, one of the biggest concerns we had was the suicide car bomber or vest wearer. it s a making of a statement against what s normally a hard target. there s a reason that buildings and gates and entryways are targeted. it s because they don t move and it s easy to drive up to them. this is one of the kconcerns i e had since the very beginning. you re limited to the airfield. in this particular case, you literally have thousands of people waiting to get into that