Particularly susceptible to those attacks is the twin-rotor CH-47 Chinook - the kind of copter shot down over the weekend in Afghanistan.

双辊ch - 47 Chinook尤其易受到那样的攻击，就是周末在阿富汗被击落的那种直升机。

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We loaded onto three CH-47 Chinook helicopters for a three hour transit to the target that included an inflight refueling.

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By pursuing such initiatives while developing the full sales potential of existing product lines like the V-22 Osprey and CH-47 Chinook rotorcraft, Boeing may be able to grow military earnings even as defense demand softens in the years ahead.

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