Retired Air Force Maj. Gen. Marcelite J. Harris, who retired in 1997 as the highest-ranking woman officer in the Air Force and the highest-ranking African-American woman in the Defense Department, will be the keynote speaker at a Jan. 24 Pentagon event marking Martin Luther King Jr. Day and the accompanying national day of service. U.S. Air Force photo Retired Air Force Maj. Gen. Marcelite J. Harris, who retired in 1997 as the highest-ranking woman officer in the Air Force and the highest-ranking African-American woman in the Defense Department, will be the keynote speaker at a Jan. 24 Pentagon event marking Martin Luther King Jr. Day and the accompanying national day of service. U.S. Air Force photo SHARE: Download: Full Size (1.35 MB) Credit: VIRIN: 230028-I-NWN42-204.jpg Photo Gallery