are. >> there is no black box onboard to learn what happened inside the b-52 cockpit. so, the crash footage is essential proof during the vags. investigators determine that holland, alone, pushed the b-52 beyond its operational safety limits and that he had done so on many previous occasions without reprimand. footage from the early '90s shows holland showboating for photographers and flying below operational safety limits. >> those videos should have been enough evidence to ensure that bud never had the opportunity to fly unsupervised and be in command of an airplane after that. >> but senior command reportedly looked the other way. the investigation also reveals that months before the crash, mcgeehan asked his superior officer to ground holland for reckless flying. mcgeehan's request was denied. >> the only thing my father, after he could not successfully