And Bryan Clark, a naval team analyst at the defense policy think tank CSBA, told TWS via email that "It is reasonable to assume he was referring to the submarines already reported to be operating in the area: USS Michigan and USS Cheyenne." Clark added that the revelation was "not particularly troubling" because so little was actually conveyed in Trump's comments: "It would not be unusual for two submarines to be operating in the East China Sea at any given time, and POTUS was not specific enough to help another country gain intelligence by trying to find or track the submarines," he said.