Despite consistent rhetoric from both Chinese and American governments and media, both countries have routinely held joint military exercises over the years.

” Soldiers from China and the United States wrapped up a week of joint disaster relief drills on Saturday November 17 2018, in a display of cooperation against a backdrop of worsening ties between the two countries over trade, the disputed South China Sea and self-ruled Taiwan.” (this was the 14th time the joint exchange occurred)
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REUTERS/Aly Song