and any maintenance they may have received. they will do this until legitimately they find answers. they will learn and improve safety going forward. >> as long as we talk safety, last year, it really feels like there was a lot of reporting about near misses at u.s. airports. what do you think is going on with this trend? >> those were red flags. and, fortunately they were avoided literally at the last minute. it was the last layer of safety and almost every one of these instances that saved the day. >> that does not make me feel good. i don't like the last layer of safety. >> it's not good, and that these were so startling. that's what they got the attention at the entire industry and the regulators, and that's why we are reevaluating everything we're doing and looking for anything that we missed. i also want to say that it's important to remember, especially when it comes to