Practice means a 20 minute helicopter trip to NATO headquarters to brief ambassadors, and in turn, be briefed on the latest developments.

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The official explanation was bad weather from hurricane Dolly, which might have interfered with a planned helicopter trip to an offshore oil platform.

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Second, Clinton described a trip to Bosnia as first lady when, she said, her helicopter was forced into a heavy landing under sniper fire and she was forced to run for cover.

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He cancelled a trip to Moscow, rushed to the area and toured it in a helicopter.

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