A complete and utter lie. There was some email traffic between low level Naval officers about moving the John McCain out of port for the presidents visit to Japan, but Senior Naval officers squelched that. Trump does enough stupid stuff that you lefties don't have to make up lies to make him look bad.
"(CNN)President Donald Trump and John McCain's long-running feud is back in the spotlight following reports that White House and lower-level US Navy officials traded emails about keeping a warship named from the late senator's father and grandfather out of sight ahead of the President's trip to Japan.
Two Navy officials confirmed to CNN Wednesday night that the White House Military Office asked lower-level US Navy officials about keeping the ship out of view. One of the Navy officials further clarified Thursday morning that the discussion included obscuring the ship or moving it, which was not practical because the ship was under repairs at the time.
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Once leadership heard about it, they said knock it off," a senior Navy official told CNN."
https://www.cnn.com/2019/05/30/politics/uss-john-mccain-japan-white-house-navy-trump/index.html