Memorial Ceremony Defense Secretary Dr. Mark T. Esper and Army Gen. Mark A. Milley, chairman of the Joint Chiefs of Staff, take part in a ceremony at the Luxembourg American Cemetery and Memorial in Luxembourg, Dec. 16, 2019. The event was part of the 75th commemoration and anniversary of the Battle of the Bulge. SHARE IMAGE: Download Image: Full Size (0.35 MB) Tags: Observances, Milley, World War II, Chairman, Defense Secretary, Esper Photo By: Army Sgt. 1st Class Chuck Burden, DOD VIRIN: 191216-D-HD608-0040.JPG Photo Gallery