sentences:  Although the immediate suspicion was of a terrorist attack, American sources proved that the plane was hit by a S-200 surface-to-air missile, fired from the Crimean Peninsula during a Ukrainian military exercise, and this was confirmed by the Moscow-based Interstate Aviation Committee.All on board (66 passengers and 12 crew) died.The President of Ukraine Leonid Kuchma and several high commanders of the military expressed their condolences to the relatives of the victims.