really appreciate your expertise on this. >> my pleasure. and back to the breaking news out of kabul where a u.s. official is telling cnn those explosions were actually as many as five rockets fired at the airport. you have the reporting, alex. what have you heard? >> good evening, michael. that's right. a u.s. official is telling cnn that just recently as many as five rockets were fired at hamid karzai international airport. >> we seem to have lost alex there. details are scarce but reporting is as many as five of these rockets were fired at the hamid karzai airport in kabul, kabul international airport. and were engaged by u.s. defense systems there at the airport.