180718-N-OY339-1006 SIGONELLA, Sicily (July 18, 2018) Master-at-Arms 2nd Class Derrick Jamroz responds to an active shooter drill as part of a security forces Regional Assessment (RASS) at Naval Air Station (NAS) Sigonella. 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)