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 IMAGE: Download Image: Full Size (1.13 MB) Tags: Milley, Chairman, Joint Chiefs, Russia Photo By: Army Sgt. 1st Class Chuck Burden, DOD VIRIN: 191218-D-HD608-0004.JPG Photo Gallery