AdvertisementGen. Milley Defends His Call To A Chinese General About Trump's Rhetoric And The U.S.September 15, 2021Bill ChappellfacebookEmailGen. Mark Milley, chairman of the Joint Chiefs of Staff, sought to reassure China's military that the U.S. wasn't planning an attack in the final months of former President Donald Trump's term in office, according to the book Peril. (Getty Images)