MLK Observance Deputy Defense Secretary Patrick M. Shanahan and Retired Army Maj. Gen. Marcia M. Anderson speak at the Department of Defense's 34th annual Dr. Martin Luther King, Jr. Observance at the Pentagon, Jan. 25, 2018. DoD photo by Navy Petty Officer 1st Class Kathryn E. Holm SHARE: Download: Full Size (0.38 MB) Credit: Petty Officer 1st Class Kathryn E. Holm VIRIN: 180125-D-SH953-0098.JPG Photo Gallery