U.S. to pilots: No flipping China the bird
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A recent amendment to a document governing interactions between Chinese and American pilots instructs them to keep any rude hand gestures to themselves.
The amendment also requires military pilots to keep a safe distance from each other and communicate clearly, according to an Associated Press report.
{{#rendered}} {{/rendered}}"Military aircrew should refrain from the use of uncivil language or unfriendly physical gestures," the amendment to the safety memorandum says.