Milley Meeting Army Gen. Mark A. Milley, chairman of the Joint Chiefs of Staff, left, meets with Chief of the Russian General Staff Gen. Valery Gerasimov in Bern, Switzerland, Dec. 18, 2019. SHARE: Download: Full Size (1.13 MB) Tags: Chairman, Milley, russia, Joint Chiefs Credit: Army Sgt. 1st Class Chuck Burden, DOD VIRIN: 191218-D-HD608-0004.JPG Photo Gallery