Trump's Welcome President Donald J. Trump speaks during a welcome ceremony in which Army Gen. Mark A. Milley assumed office as the 20th chairman of the Joint Chiefs of Staff at Joint Base Myer-Henderson Hall, Va., Sept. 30, 2019. SHARE IMAGE: Download Image: Full Size (0.58 MB) Tags: Milley, Chairman, President, Trump Photo By: White House VIRIN: 190930-O-ZZ999-368.JPG Photo Gallery