SIGONELLA, Italy (Jan. 9, 2021) U.S. service members assigned to Defense Logistics Agency Distribution Sigonella load boxes of the Moderna COVID-19 vaccines onto a C-26D Metroliner aircraft at Naval Air Station (NAS) Sigonella for shipment to Naval Support Activity Souda Bay, Greece, Jan. 9, 2021. 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.