170525-N-OY339-095 SIGONELLA, Sicily (May 25, 2017) Air Force One arrives at Naval Air Station (NAS) Sigonella as part of President Donald J. Trump’s first visit abroad. NAS Sigonella is an operational ashore base that enables U.S., allied, and partner nation 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)