170911-N-OY339-068 SIGONELLA, Sicily (Sept. 11, 2017) Chief petty officers assigned to Naval Air Station (NAS) Sigonella stand in formation during a 9/11 remembrance ceremony at NAS Sigonella. NAS Sigonella is an operational ashore base that enables U.S., allied, and partner national forces to be where they are needed and when they are needed to ensure security and stability in Europe, Africa, and Southwest Asia. (U.S. Navy photo by Mass Communication Specialist 2nd Class Christopher Gordon/Released)