captain jeff han yip was killed after he lost oxygen and his jet crashed in alaska. the air force blamed him, not his $500 million aircraft. >> jeff was an awesome pilot. and an even better man. i am so proud to call him my brother. and he gave his life. he just deserves the truth. >> reporter: this computer simulation prepared by the air force shows what happened to haney. >> the beeps going on tell something is wrong with the airplane. four seconds after that coming up on the screen, he is no longer gets oxygen in his mask and he is probably getting the feeling he is suffocating. >> reporter: he was conscious throughout the dive and failed to make the right moves, says the air force. but gannyard feels that is hard to please. is he close to making it? >> not close enough. >> reporter: the air force paid tribute with a fly over. the family is now suing the air force, saying that haney was not at fault, they want to protect the reputation of the f-22. >> it feels like a number sometimes. the jets are worth a lot of money. >> reporter: the entire fleet of the f-22s wer