U. S. intelligence officials believe the plane was accidentally hit by a Ukrainian S-200, or SA-5, missile - a large surface-to-air missile built to shoot down heavy bombers flying at high altitudes.

美国情报官员确信这架飞机是被一枚乌克兰发射的S-200，又名为SA-5导弹意外击落的，这是一种被用来击落高空重型轰炸机的大型地对空导弹。

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A Marlet was the first American-made plane to shoot down a German plane during world war two, a Ju 88 bomber intercepted by the British in December of 1940 at the Scapa Flow naval base in Scotland.

阿marlet是第一个美国制造的飞机击落德国飞机在二次大战时，一个举88轰炸机截获由英国在1940年12月在斯卡帕流苏格兰海军基地。

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The threat was demonstrated last November, when operatives believed to be part of al-Qaeda tried to shoot down a plane full of Israeli tourists as it took off from an international airport in Kenya.

ECONOMIST: The shoulder-held threat | The

He was on one of the ships, was shot by -- was strafed by the fire from the planes coming in, and yet still had the presence of mind to shoot down a plane, and won the Medal of Honor -- or was awarded the Medal of Honor for that.

WHITEHOUSE: Online Town Hall

An FBI source told CNN that the agency is investigating Cuban defector Juan Pablo Roque as a possible conspirator in the shoot-down, which killed two men on each plane.

CNN: Cuban shoot-down may have been planned