9/11 remembrance ceremony held at Nellis
Lt. Col. Patrick Kolesiak, 99th Civil Engineer Squadron commander provides remarks during a 9/11 remembrance ceremony at the U.S. Air Force Warfare Center flag pole, Nellis Air Force Base, Nevada, Sept. 11, 2018. The 9/11 attacks prompted a new focus by the Department of Defense on fighting terrorism and a host of new security measures in different parts of everyday American life. (U.S. Air Force photo by Lorenz Crespo)

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Photo by: Lorenzo Crespo |  VIRIN: 180911-F-NK166-018.JPG