NAVAL AIR STATION SIGONELLA, Italy (Oct. 29, 2020) Hospitalman Donald Leal, left, administers an influenza vaccination to Air Force Tech Sgt. Jason Gurganus as part of a seasonal shot exercise onboard Naval Air Station (NAS) Sigonella, October 29, 2020. NAS Sigonella's strategic location enables U.S., allied and partner nation forces to deploy and respond as required to ensure security and stability in Europe, Africa and Central Command. (U.S. Navy photo by Mass Communication Specialist Seaman Triniti Lersch)