Col. Kevin Kennedy, 28th Bomb Wing commander, speaks on the significance of honoring America’s fallen during the 9/11 Retreat ceremony at Ellsworth Air Force Base, S.D., Sept. 11, 2013. Airmen, family members and civilians from the local community gathered to recognize and honor the 3,000 men and women who lost their lives 12 years ago. (U.S. Air Force photo by Airman 1st Class Zachary Hada/Released)