@arifrf,
Incompetent scheduling, inattention, failure to winnow the mentally disturbed or addicted, inadequate payload monitoring, earthquake, failure to assess potential hacking, slack intelligence gathering, haste in reaction to supposed aggression, political instability of all sorts, misunderstandings in translation
Maybe Ari not the sort of response you had expected so you might hafta be more specific. The dangers of nuclear materials for instance per Tes above...