Experts detail factors that may have led Iranian missile crews to down Ukrainian 737

Though the cause of the Ukraine International Airlines crash remains unconfirmed, defence experts suspect high stress and poor civilian-military coordination led ill-trained missile units to mistakenly shoot down the Boeing 737-800. US and Canadian officials have already said they believe Iranian surface-to-air-missiles (SAMs), possibly fired by accident, downed flight PS752 on 8 January, killing 176 people.

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