Edited sentence: Additionally, the Czechoslovak Air Defense soldier who operated the radar the very day stated in a 2009 interview that any Czechoslovak jet fighters would have been noticed by the West German Air Defense:.Also it would not be possible to conceal such incident, as there would approximately 150–200 people knowing about the incident.Even if the Czechoslovak authorities would conceal it, the West would not remain silent.In case of violation of the air space, the incident would not be solved by anti-air missiles, but by fighter planes.Investigative report shows that the explosion on board was 'from the inside out'.One source does not support such conspiracy theories and quotes Czech army expert:.The official from the Czech Civil Aviation Authority claims that findings of the official investigation are being questioned mostly because of the media attractiveness of the story.They would not have any reason to not tell about incident today